Guangzhou Chanqi Electronics Co., Ltd

Doubly-fed ANC headphones
1)Chipset chip :AB8931H
(2)Bluetooth Version :V5.4
(3)Drive unit speaker: 40mm Hi res
(4)Power supply: Built-in Li-ion polymer battery
(5)Battery capacity :500 mah
(6)Charging voltage: DC 5V 1A
Bluetooth frequency :2.4GHz-2.48GHz
(8)Frequency response :20Hz ~ 20KHz
(9)Max transmitted power :4dbm
(10)Operation range: 10 meters
(11)ANC ON Bluetooth Play time : (50% volume )ANC
ON Bluetooth play time: 50 hours
(12)ANC OFF Bluetooth Play time (50% volume ) ANC
OFF Bluetooth play time 70 hours
(13)Charging time: About 2 hours
(14)Charging port Charging port: type c
(15)Surface treatment: injection color,