Bluetooth V4.1
Portable lightweight and Sweatproof design
Built-in microphone
Built-in rechargeable Li-ion battery
Multipoint pairing (connect 2 bluetooth device)
Support voice prompt ( in English)
support connect 2 bluetooth device in the same time.
Support reporting phone number when calls come.
Support HD music playing
Built-in 14.2mm nedymium driver
Clear bass resonance, CVC wind noise reduction, and superior sound isolationBluetooth Specification: 4.1+EDR
Bluetooth profiles:HEP1.6,SHP1.2,AVRCP1.4,A2DP1.2
RF range:10m
Noise reduction:CVC6.0
Stand- by time:about 175 times
Calculation conversation time:bout 5 hours
Charging time: about 2 hours
Dimension(LXWXH):40X24X32MM