AIN MK-X50C TWS Intelligent Noise Reduction In-ear Bluetooth Earphone with Charging Box & USB Charging Cable, Supports HD Calls & & Voice Assistant & Memory Pairing (White)

Features:
1. Bluetooth 5.0 chip, approaching zero delay, smooth operation without lag
2. 8mm sound unit, showing crisp and clean sound quality
3. Physical noise reduction, support for high-definition calls
4. One-key operation, you can hang up/answer calls, play/pause music, previous/next song, wake up voice assistant, etc., easy to use
5. Remove the headset from the charging box, the headset will automatically pair and connect
6. Use with the charging box, long-lasting battery life
7. Comes with hidden USB charging cable, convenient for charging
8. Ergonomic in-ear design, mini compact, 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. The weight of a single headset: 4g
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