Bluetooth version: V4.1

Chipset: CSR8645

Battery capacity: 120mA

Standby time: 360 hours

Music playing time: about 8 hours

Charging time: about 1.5 hours

Distance: more than 10 meters (outdoor without blockage 360°)

Speaker: ￠ 6mm

Speaker sensitivity: 94+/- 3dB

Microphone sensitivity: 42 +/- 3dB

Support APTX audio decoding

Metal casing with polished finish

Ergonomic design, comfortable, fit-to-wear