Frequency response: 20Hz –20kHz

Impedanc: 32Ω

ANC

ANC:23±2db

Transmission distance:10m

Support profile: HSP,HFP,A2DP,AVRCP

Transmission frequency: 2.40GHz-2.48GHz

Charging port: Micro USB 5V/1A

Standby time: More than 120 hours

Working time:  Above 30Hours

Charging time: About 1 hours

Battery type: Build in 300mah rechargeable lithium battery

Storage temperature: -25°C-65°C

Operating temperature: -10°C - 50°C

Weight: 205g