Chip: REALTEK 8773B
1. Bluetooth version: 5.1
2. Material: ABS
3. Distance: 10meters
4. Horn:true copper ring speaker
5. Battery: polymer lithium battery, headphone 50mah,charging box 410mah 6.Sensitivity(SPL):104±3dB(at 1KHz 126mV))
7. BT on+ ANC off:6H
8.BT off+ ANC on:8H
9.BT on+ ANC on:4H
10. Standby time: 100H
11. Fully charge time: about 1.5hour for headphones and 2hours for charging
12. Color: Black,White 13.Button type:touch
14.Wireless Charging:5V/1A 15.Speaker:φ12mm
16.Frequency Response:2.402GHz-2.48GHz 17.Impedances:16Ω 18.Charging box size:45*60*30.3mm 19.ANC Maximum depth:>-40dB
20.c.Antenna:LDS 21.Bluetooth Profile:HFP,HSP,A2DP,AVRCP 22.Waterproof level:IPX-5