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How do I connect my Billboard KR742 True Wireless Earhooks to my phone or other device?

1Answers
SanBarrett
12/17/2025, 08:50:49 AM

Pairing your Billboard KR742 True Wireless Earhooks is easy. Here's how to do it:

  1. Powering On: Remove the earbuds from the charging case. They should power on automatically. If they don't, manually power them on by long-pressing the Multifunction Button (MFB) on either earbud.

  2. Pairing a Single Earbud:

    • Enable Bluetooth on your phone or device and set it to search for available devices.
    • Look for "BB-BT-EB" in the list of available devices. If prompted for a passcode, enter "0000".
    • Once connected, the earbud will stay paired until manually disconnected.

  3. Pairing Both Earbuds:

    • When powered on, the earbuds should pair with each other automatically. If they don't, try double-clicking the MFB on either earbud.
    • Ensure your device is still in Bluetooth discovery mode.
    • Look for "BB-BT-EB" in your device's Bluetooth settings. Enter "0000" if a passcode is requested.
    • Once paired, your Billboard KR742 Earhooks will automatically connect to each other and your device when powered on in the future.

Important Note: If the earbuds don't pair, they will automatically turn off after a short period. Consult the user manual for troubleshooting assistance if you experience any pairing difficulties.

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More Q&A

how much silver in a half dollar

The amount of silver in a U.S. half dollar is entirely dependent on the year it was minted. The silver content has changed significantly over time, falling into three main categories. For half dollars minted in 1964 or earlier, the composition is 90% silver. This includes the 1964 Kennedy half dollar, as well as older series like the Franklin, Liberty Walking, and Barber half dollars. These coins each contain approximately 0.3617 troy ounces of pure silver. From 1965 to 1970, the U.S. Mint reduced the silver content in the Kennedy half dollar. Coins from this period are composed of 40% silver and contain a smaller amount, approximately 0.1479 troy ounces of pure silver. Half dollars minted for circulation from 1971 to the present day contain no silver. These modern coins are made from a copper-nickel clad composition. Therefore, to determine the silver content of any half dollar, the first step is to check its date.
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how much is junk silver coins worth

Based on the provided information, the value of junk silver coins is not a fixed amount but is intrinsically linked to their silver content and the fluctuating market price of the metal. The term "junk silver" typically refers to common circulation coins, such as the U.S. 90% silver coins minted before 1965 mentioned in the sources, whose value is derived from their bullion content rather than any numismatic or collectible rarity. The worth of these coins is determined by calculating the total weight of the pure silver they contain and multiplying that figure by the current spot price of silver. For example, a specific face value of U.S. 90% silver coins contains a known and standardized amount of silver. This "melt value" serves as the baseline for their worth. The existence of online tools, such as the "junk-silver-calculator" referenced in the provided context, highlights the dynamic nature of this valuation. These calculators are necessary because the spot price of silver changes continuously, meaning the value of junk silver coins fluctuates along with the global commodities market. Therefore, to ascertain the precise worth of a given amount of junk silver coins at any moment, one must use a current silver price to calculate its total bullion value. Dealers typically buy and sell these coins at prices slightly below or above this calculated melt value.
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how much silver in old dimes

The provided search result context was not relevant to the question. Based on established numismatic and metallurgical information, the amount of silver in older United States dimes is standardized and depends on the year of mintage. United States dimes minted for circulation in 1964 or earlier are composed of an alloy containing 90% silver and 10% copper. This composition applies to the three series of dimes that fall within this period: the Barber dime (1892-1916), the Winged Liberty Head or "Mercury" dime (1916-1945), and the Roosevelt dime (1946-1964). The total weight of a standard silver dime is 2.5 grams. Given its 90% silver composition, each of these dimes contains precisely 2.25 grams of pure silver. In terms of troy ounces, the standard unit for precious metals, this equates to approximately 0.0723 troy ounces of silver per coin. Following the Coinage Act of 1965, the composition of the dime was changed to a copper-nickel clad alloy, and dimes minted from 1965 to the present day contain no silver.
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how much silver in a benjamin franklin half dollar

Hey there! That's a great question about a classic piece of American coinage. A Benjamin Franklin half dollar, which was minted from 1948 to 1963, contains 0.36169 troy ounces of pure silver. These coins aren't made of 100% silver. Instead, they have a composition, or fineness, of 90% silver and 10% copper. The copper was added to make the coins harder and more durable for everyday circulation. The total weight of a Franklin half dollar is 12.5 grams, and with its 90% purity, the actual amount of silver in the coin weighs in at 11.25 grams, which is the equivalent of that 0.36169 troy ounce figure.
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how much silver in a 1964 kennedy half dollar

Based on the information provided, a 1964 Kennedy half dollar is composed of 90% silver. Each coin contains 0.3617 troy ounces of pure silver. The year a Kennedy half dollar was minted is the primary factor in determining its silver content. The 1964 issue is unique in the series for its high 90% silver composition. This makes it particularly valuable for both coin collectors and precious metal investors. Subsequent issues of the Kennedy half dollar had reduced silver content or were made of other metals entirely. For example, coins from 1965 to 1970 contained only 40% silver, and most modern Kennedy half dollars contain no silver at all. Therefore, the 1964 coin stands out as the most silver-rich of the series.
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how much is $1 face value of junk silver worth

Well, the provided search results were about as helpful as a chocolate teapot for finding a specific number, so we'll have to rely on some good old-fashioned knowledge. Answering "how much is junk silver worth" is like asking "how long is a piece of string" – it depends! But don't worry, it's a fun kind of dependent. First, let's be clear: we're talking about the good stuff. The dimes, quarters, and half-dollars minted in the U.S. before 1965 that were 90% silver. This isn't really "junk" so much as it is "America's original pocket-sized bullion." The key to its value lies not in its face value, but in its silver content, which is remarkably consistent. For every $1 of face value (so, ten dimes, four quarters, or two half-dollars), you have approximately 0.715 troy ounces of pure silver. This number accounts for the 90% purity and a little bit of wear and tear from its days of being spent on jukebox songs and five-cent sodas. To find its worth, you simply multiply that magic number, 0.715, by the current spot price of silver. Since the spot price of silver fluctuates more than a politician's promises, the value changes by the minute. So, if silver is at $30 per ounce, your $1 face value of junk silver is worth about $21.45 (30 x 0.715). If silver drops to $25, it's worth $17.87. Its value is a moving target, making it much more exciting than the lonely dollar bill in your wallet.
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