-Product name: A9 Pro
-Smart screen control: can control photo
-taking/music playback/song switching/volume control/noise reduction
-transparency/switching/language switching/short video control/etc.
-Charging box battery capacity: 600mAh
-Earphone battery capacity: 30mA
-Play time: total play time 36 hours/single earphone 5 hours
-Thousand yuan sound quality: support HiFi sound quality
-Support noise reduction: ANC 35dB
-Support earphone touch control
-Support personalized spatial audio
-Color: White
1. Bluetooth version: 5.4 【 Two Ear Call 】
2. Support protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP
3. Response frequency: 20-20000Hz
4. Speaker unit: Φ F13 titanium composite film, 32 Ω± 15%, 7.118 ± 3DB 5mW
5. Microphone: 2718 silicon-42 ± 3dB
6. Charging input standard: Contact point, DC4.75-5.25V/600MAH
7. Battery type: 3.7V polymer battery 500mAh with protective plate (3C fast charging battery), earphone battery 30mAh
8. Charging time: 1 hour
9. Headphone working time: Tested to play continuously at 100% volume for approximately 5.5 hours
Single product bare machine weight: 62.5g