Details: 1.Bluetooth Version: V4.1+EDR 2.Charging: USB cable included (no adaptor) 3. Battery: Built in lithium polymer battery 5.Working range: about 10meters 6.Working Voltage: DC5V/100MA 7.Talk time: about 4 hours 8.Standby time: up to 100 hours Tips for operation: 1. Pairing: Press the power button for 3-4 seconds until led flash in red and blue alternately, then sound reminding you enter ?¡ãpairing mode?¡À , then turn on the Bluetooth function on your device ready for pairing. ( headphone name (B3300)). 2. VOL +: Press the volume + button for 2 seconds, add up the volume a maximum sound, a warning sound. 3. VOL-: Press Volume - button for 2 seconds, cut down the volume a minimum sound, a warning sound. 5. Previous song: Press VOL+ 6. Next song: Press VOL- 7. Answering Phone-call: press the power button quickly. 8. Refused to answer: long press the power button for 2 seconds. 9. Redial last telephone number: double-click power button. 10. Charging: charging- LED in red, fully charged- LED in blue. Accessories: - Wireless Earphones -Ear hooks - USB Charging Cable - User Instruction
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