Product Model: K89 Bluetooth headset
Bluetooth chip: Jerry
Bluetooth version: V5.3+EDR
Frequency range: 2.402GHz-2.480GHz
Transmission distance: (barrier-free)≤10 meters
Bluetooth protocol: HSP/HFP/A2DP/AVRCP
Horn impedance: 32Ω/Ф12mm
Headset sensitivity: 106dB
Signal-to-noise ratio: ≥85dB
Standby time: more than 100 hours
Talk time: over 5 hours at medium volume
Headphone battery: 35mA
Battery of charging compartment: 300mA