- Product description:
- Model:A9 pro ANC fifth generation + smart screen "ANC+ dual-mark ENC+ in-ear detection light sense"
- Color: white
- 1. Chip: Jerry 7003D8 noise reduction + light sensing in-ear detection
- 2. Version: 5.4 [binaural call]
- 3. Working frequency: 2.402-2.480GHz,
- 4. Support protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP
- 5. Transmission distance: 15M [barrier-free]
- 6.Response frequency: 20~20000Hz
- 7.Speaker unit: ΦF13 titanium film, 32Ω±15%, 7.118±3DB 5mW
- 8.Microphone: 2718 silicon microphone -42±3dB
- 9.Charging input standard: contact, DC4.75-5.25 V/600MAH
- 10.Battery type: 3.7V polymer battery 500mAh with protection board (3C fast charging battery), headphone battery 30mah
- 11.Charging time: 1h
- 12.Headset working time: the measured 100% volume plays continuously for about 5.5 hours