Why did you choose us? We have been committed to the in-ear earphone industry for many years and hope to bring buyers the best listening experience. Excellent sound quality Whether you are at home or on a business trip, the GEEKTOP B1 Bluetooth in-ear earphones have excellent sound quality, which can enrich your quality of life with strong stereo and clear bass. You can lie comfortably on the bed or sofa, listen to music, andQ&A: Q1: Can the charging case be used as a power pank to charge mobile phones? A: Yes, the charing case is 3500mAh, can be used as an emergency power bank to charge mobile phones, speakers, headphones. Q2. When the earbuds is placed in the charging compartment, how to check whether the headset is in the charging state？ A: The earbud LED light keeps the red, means that the earbud is charging; the LED light keeps the red and blue light flashing or blue breathing flashing, means the earphone is not being charged, and it is not correctly placed in the charging case, please take out the earbud again and put it into correctly Q3. The two earbuds can't paired. One earbud can't play. A: (1)Check whether the LEDs of the two earbuds can light up. If not, the earbuds may have no power. (2)Check if the earbuds are connected to another phone (the LED light flashes blue every 5 seconds). The earbuds can be automatically connected to the connected mobile phone when it is removed from the charging compartment for the second time. (3)Check whether the two earbuds are paired. Keep the two earbuds turned on and not pairing any phones. Triple-click one to clear the pairing record. Triple-click one of them again to pair the two earbuds. Product Parameters: Input Voltage: DC 5V Bluetooth Version: BT 5.0 Wireless Distance: >15m Impedance: 16Ω Earbud Battery: 50mAh Charging Case Battery: 650mAh Playtime: 3-4 Hours Frequency: 20Hz-20kHz
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