Speaker diameter: Φ40mm
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