BT-169 Bluetooth Headset

Bluetooth Chip: Version 5.0
Bluetooth mode: HSP, HFP, A2DP and AVRCP
Noise reduction: up to 20 dB between 50 and 500 Hz
Lithium battery capacity
Driving unit: 50mm neodymium
Sensitivity: 108 dB
Microphone Sensitivity-58dB
Frequency: 20-20 kHz
Impedance: 32o
Call time: 14 hours
Standby time: 840h
Music playback time: 21 hours
Wireless Range: 10m