● Pairing two mobile phones, when you are talking on one phone and receive incoming calls from another, press the power button once shortly to answer the incoming call, your first call will be placed on hold.
● When the earphone is standing by, press the power button once to dial the call, saving time and increasing efficiency.
● The function of last number redial
● 180 hours stand-by time, up to 7 hours talking time
● Imported CRS V4.0 chip to evaluate effectively stand-by time as well as music quality, and the connection distance is up to 10m.
Bluetooth version: V4.0
Bluetooth protocol: HSP/HFP/A2DP
Output power: 10mW
Sensitivity: 105dB + / - 3dB
Frequency response: 20 - 5000Hz
Workable distance: 10m（Barrier-free space）
Charging time: 1-2 hours
Charging voltage: DC 5V
90mAh rechargeable battery
Bluetooth prompt tone: language
Function: Bluetooth,Microphone,Noise Cancelling
Model Number: A831BL
Style: Ear Hook
Use: Mobile phone,Portable Media Player,Sport
0.157 Package weight: 0.166 kg
Product Size(L x W x H): 2.50 x 0.65 x 6.00 cm / 0.98 x 0.26 x 2.36 inches
Package Size(L x W x H): 10.10 x 3.50 x 17.00 cm / 3.98 x 1.38 x 6.69 inches
Package Contents: 1 x Awei A831BL Bluetooth Earphone, 1 x User Manual, 1 x USB Charging Cable, 1 x Ear hook, 1 x Earbud Tips