parameter

Chipeset:V5.0 Bluetooth Working range :10m Battery Specification:50mAh*2 Charging box 2200mAh Talking time:4H Standby time:100H Music time:about 4H Charging time :about 2H Profile:HFP,HSP,A2DP,AVRCP Frequency range :2.4GHZ IOS Power display:YES 2 Device connect:YES Noise Reduction:CVC 8.0 Audio decoding:SBC Charging input voltage:dc5+0.25V Adjustment mode:GFSK,TT/4 DQPSK,8DPSK

Dear frined ,If you want to use 2pcs earphone together ,and pls following Step:

1. turn on 2pcs earphone ,and it will pair ( Automatic or manual pairing) 2. open your cellphone Bluetooth 3. Let earphone cellphone pair ( pls check the earphone Manual and more detail) 4. And then it can work well for you