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/Black
• 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