2016 men's wireless metal portable bluetooth earphone for mobile

1) Bluetooth Version:CSR 6145, V3.0+EDR

2) Support profile: A2DP/AVRCP/HSP/HFP
3) Stereo two channel
4) Music Support
5) Transmission frequency:2.4-2.48GHZ
6) Multipoint Connection
7) Talk /music playing time: 3/2.55 hours
8) Charge time: 1 hours ,55 mAh polymer
9) Standby time: 120 hours
10) Operate range: ≤10m
11)Size/Weight: 56*16*25mm,10g