A9 Pro Touch Screen ANC Wireless TWS Headset with Noise Cancelling Earbuds and Bluetooth 5.4, Long Battery Life

Product Overview

The A9 Pro is an advanced fifth-generation ANC wireless headset designed for a superior audio experience.

1. Model: A9 Pro ANC + Smart Screen with "ANC + Dual-Mode ENC + In-Ear Detection"
2. Color: White
3. Chip: Jerry 7003D8 for noise reduction and light-sensing in-ear detection
4. Bluetooth Version: 5.4 (supports binaural calls)
5. Frequency: Operates between 2.402-2.480 GHz
6. Supported Protocols: A2DP, AVRCP, HFP, HID, AVCTP, AVDTP, SPP
7. Transmission Distance: 15 meters (barrier-free)
8. Response Frequency: 20 – 20,000 Hz
9. Speaker Unit: ΦF13 titanium film, 32Ω±15%, 7.118±3DB 5mW
10. Microphone: 2718 silicon microphone with -42±3dB sensitivity
11. Charging Input Standard: Contact, DC4.75-5.25 V / 600mAh
12. Battery Type: 3.7V polymer battery with 500mAh and protection board (3C fast charging), headphone battery 30mAh
13. Charging Time: Approx. 1 hour
14. Headset Working Time: Approximately 5.5 hours of continuous playback at 100% volume

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