AIN MK-X50S TWS In-ear Bluetooth Earphone with Charging Box & USB Charging Cable & Battery Digital Display, Supports Calls & & Voice Assistant & Memory Pairing(Black)

Description

Features:
1. Bluetooth 5.0 chip, zero delay, smooth operation without lag
2. 8mm sound unit, showing crisp and clean sound quality
3. Remove the headset from the charging box, the headset will automatically pair and connect
4. Support master-slave switching
5. Use with the charging box, long-lasting battery life
6. Comes with hidden USB charging cable, easy to charge
7. The power digital display screen displays the remaining power in real time
8. Ergonomic in-ear design, comfortable to wear

Product parameters:
1. Bluetooth version: V5. 0
2. Bluetooth protocol: A2DP/HSP/AVRCP
3. Wireless distance: 10 meters
4. Battery type: polymer lithium battery
5. Headphone charging time: 2 hours
6. Headphone standby time: 90 hours
7. Talk time: 4 hours
8. Headphone battery capacity: 3.7V/45mAh
9. Charging box battery capacity: 3.7V/300mAh
10. Speaker diameter: 8mm
11. Speaker impedance: 32 ohms
12. Rated power: 2mW
13. Sound pressure level: 95dB At 1000 Hz
14. The left and right ear sound difference: +/- 3dB At 1000 Hz
15. Distortion: less than five percent At 1000Hz
16. Frequency range: 20HZ-20KHZ At 2mW
17. Headphone input parameters: 5V 100mA
18. Input parameters of charging compartment: 5V 100mA