ACTIVE NOISE CANCELLING WIRELESS HEADSET

Unit size: 40mm
Nominal resistance pit: 32
Frequency response range: 20Hz- 20KHz
Sound pressure level (SPL, 1KHz): 120db
Bluetooth version: 5.0+EDR
Bluetooth chip: Jerry 6925D
Bluetooth protocol: A2DP, AVRCP, HSP, HFP
Noise reduction sensitivity: 15-25dB
Bluetooth distance: 10 meters
Music/call duration: 10 hours
Standby time: / about 600 hours
Charging time: about 3 hours
Audio input: wireless/TF Card