Model: A9 pro ANC fifth generation + intelligent screen 'ANC+ dual microphone ENC+ ear detection photocell'
Color: White Black
1. Chip: Jerry 7003D8 noise reduction + light sensing ear detection
2. Version: 5.4 [Bilateral Conversation]
3. Operating Frequency: 2.402-2.480GHz
4. Supported protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP
5. Transmission distance: 15M【Unobstructed】
6. Response frequency: 20～20000Hz
7. Speaker Unit: ΦF13 Titanium Membrane, 32Ω ±15%, 7.118 ±3dB 5mW
Microphone: 2718 silicon mic -42±3dB
9. Charging Input Standard: Contact, DC4.75-5.25V/600mAh
Battery Type: 3.7V Polymer Battery with 380mAh Protection Board (3C Fast Charging Battery), Earphone Battery: 30mAh
Charging time: 1 hour
Headphone battery life: Tested with 100% volume, it lasts approximately 5.5 hours continuously.
13: Charging Case Chip 7014 Chip + A5 Chip

Charging case size: 45.2 x 60 x 23 mm

Headphone size: 60.3*45*23mm
Packing Size: 99*99*46mm
Single item bare weight: 62.5g
Single item with packaging weight: 155.5g
Packing Size: 52.5*42.5*25cm
Packing Quantity: 100pcs
Packing weight: 16.7kg