A9PRO Bluetooth Headphone In-ear ANC active noise cancelling wireless Bluetooth headphone with high sound quality and long life Black

Model: A9 pro ANC 5th Generation + Smart screen "ANC+ Double mark ENC+ in-ear detection light sense"
Color: White black

1.
Chip: Jerry 7003D8 noise reduction + light ear detection

2.
Version: 5.4 Binaural Call

3.
Working frequency: 2.402 - 2.480GH z,

4.
Supported protocols: A2DP/AVRCP/HFP/HID/AVCTP /AVDTP, and SPP

5.
Transmission distance: 15M Barrier-free

6.
Response frequency: 20 ~ 20000Hz

7.
Speaker unit: F13 titanium film, 32± 15%, 7.118 ±3DB 5mW

8.
Microphone: 2718 silimI-42 ±3dB

9.
Charging input standard: contact, DC 4.75 - 5.25V /600MAH

10.
Battery type: 3.7V polymer battery 380mAH with protection board (3C fast charging battery), headphone battery 30mah

11.
Charging time: 1h

12.
Headset working time: Measured 100% volume continuous playback for about 5.5 hours
13: Charging bin chip 7014 chip +A5 chip

Charging bin size: 45.2 ×60×23

Headphone size: 60.3 *45*23mm