Wireless Earbuds, Upgraded Noise Cancelling Bluetooth Earbuds with 3D Stereo Sound Wireless Headphones Wireless Sport Earbud

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Wireless Earbuds, Upgraded Noise Cancelling Bluetooth Earbuds with 3D Stereo Sound Wireless Headphones Wireless Sport Earbud

What's in your package: ? Bluetooth Earbuds x1Pair ? Charging Case x1PC ? Micro USB Cable x1PC ? Spare Ear Caps x3Pairs ? Ear Hooks x1Pair ? User Manual x1PC ?12 Months Warranty Earless Headset Parameters ?Headset Battery: Polymer Lithium battery 50mAh ?Bluetooth Version: 4.2 ?Operating Voltage: 3.2V-4.2V ?Bluetooth Frequency: 2.4-2.48GHZ ?Transmission Distance: 10M ?Impedance: 16? ?Speaker Bandwidth: 20-20KHz ?Speaker sensitivity: 105dB ?Microphone Sensitivity: -42nce: 10M ?Impedance: 16? ?Speaker Bandwidth: 20-20KHz ?Speaker sensitivity: 105dB ?Microphone Sensitivity: -42+-2db ?Bluetooth Protocol: A2DP/HFP/HSP/ARCP ?Single Earbud Dimension: 23mmX12mmX26mm ?Single Earbud calling time: 2 hours/battery life:8 hours ?Single Earbud Music time: 2 hours/battery life:8 hours ?Single Earbud Standby time: 12 hours/battery life:240 hours Charging Box Parameter ?Charging Box's Battery: Polymer Lithium battery 400mAh ?Charging Box's Dimension: 92mmX25mmX28mm ?Charging Box's Material: ABS ?DC Charge Current: 100mA ?DC Charging Voltage: DC5V Only THREE Steps to pair it with your phone ?Step 1: Turn on your Devices Long press the "L" and "R" earbud button about 2 seconds, until the light blue and red blinking alternatively ?Step2: Pair your earbuds Double-click one of the earbud to pair, the red light and blue light will slow flash alternately, the other earbud will slow flash in blue. ?Step3: Pair and Connect to your phone After turn on your bluetooth of cell phone, and will see "FF208", connect it. Once connected successfully, the blue light of the two earbuds will slow flash, and light will be off when listening music. read more