Drivers: 57mm speaker X 2
Transducer type: dynamic
Bluetooth version: V4.1
Frequency range: 2.4GHz-2.48GHz
Operating distance: up to 10m (free space)
Bluetooth profiles: A2DP  AVRCP  HSP  HFP
Impedance: 16Ω
Frequency response: 20Hz-20kHz
Sensitivity: 110dB
Distortion:<0.1%(THD)
Talk time: up to 45 hours
Standby time: up to 1625 hours
Charging time: about 2 hours
Operational temperature: -10 to 50°C