AIN AT-X80W TWS Semi-In-Ore Bluetooth Headphones with Charging Box Support Master-Slave Switching HD Call Voice Assistant (White)

Features:
1.Bluetooth 5.1 chip approaching zero delay smooth operation without lag
2. 14.2mm sound unit showing crisp and clean sound quality
3.Support HD call
4. One-key operation support answering/hanging up calls play/pause music previous/next song wake up voice assistant and other functions easy to use
5.Support master-slave switching
6. Remove the headset from the charging box the headset will automatically pair and connect
7. Use with the charging box long-lasting battery life
8. Ergonomic design comfortable to wear

Product parameters:
1. Bluetooth version: V5.1 +BR+EDR+BLE
2. Channel system: true stereo
3.Working frequency: 2.402-2.480GHz
4.Support protocol: A2DP/HFP/AVCTP/AVRCP/AVDTP/SPP/SMP
5. Transmission distance: 10 meters
6. Transmission power: Class 2
7.Sensitivity: 105dB+/-3dB
8.Response frequency: 20-20000Hz
9. Speaker unit: diameter 6mm 16 ohm +/- 15% 92 +/- 3dB 1mW
10. Microphone: 4013 -42+/-3dB
11. Charging input standard: contact DC 4.75-5.25V/1-40MA
12. Battery type: 3.7V lithium battery 40mAh
13.Charging time: about 1.5 hours
14.Working time: about 3-4 hours
15. Standby time (shutdown): about 150 days
16.Indicator light: 1 x blue light 1 x red light