AIN AT-X80W TWS Semi-in-ear Bluetooth Earphone with Charging Box, Support Master-slave Switching & HD Call & Voice Assistant (Black)

Description

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