Keywords: Active Noise Cancelling Bluetooth Headphones / Over-Ear Wireless Headphones / Comfortable Memory-protein Earpads
Bluetooth chipset:AC6904C
Bluetooth version:V4.2
Blue profile: A2DP HFP HSP AVRCP
Work range: ≥10M
Frequency range: 2.402GHz~2.480GHz
Radio power:CLASS2,-6 ~ +4dbm
Charging input voltage:DC5±0.25V
Battery Capacity:3.7V/300mAh
Operation voltage:3.7-4.2V
Charge time:≤4HContinue music play time:≥11H(1/8Max output power)
Charge current:≦35mA (@1kHz tone& Max volume)
Off current :≤5uAOperation
environment temperature:-10-60℃
Charge environment temperature:0-45℃
L or R output power :Max 10mW*2(@1kHz)
L or R THD+N :≤0.5%(@ 1kHz 1mW )SNR:>75dB
L or R Channel Unbalance:≤3dBL or R Channel Separation:≥70dB