wireless headphone manufacturers

ANC noise cancelling headphones—A02

ANC noise cancelling headphones—A02

Specification

Bluetooth solution: CSR8635
Bluetooth version: V5.0
Bluetooth protocol: AVRCP, HSP, HFP, A2DP
Bluetooth Distance: 10M
ANC frequency: 20~800Hz
ANC noise cancellation: 20 ± 2db
Operating frequency: 2.402~2.480GHz
Battery specification: 500mAh
Charging voltage:  5V/1A
Charging time: about 3h
Bluetooth duration: about 30h
Bluetooth + noise cancellation duration: about 20h
Noise cancellation duration: about 45h
Accessory: charging cable, 3.5mm Aux cable
Color: black, red

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