Digital Display Invisible Mini Leisure Stereo Binaural Bluetooth Earphones With Charging Compartment(Black)

1. Bluetooth version: V5.3
2. Bluetooth chip: Jerry 6983D2
3. Bluetooth distance: about 10M
4. Battery capacity: charging compartment: 300mAh; headset: 30mAh
5. Speaker: LD F10 real copper ring
6. Listening and talking time: about 4h
7. Charging time: about 1h
8. Standby time: about 150 days
9. Frequency: 20Hz-20KHz
10. Impedance: 32 ohm
11. Sensitivity: 115dB/mW
12. Waterproof grade: life waterproof
13. Accessories: earphones x 2, charging compartment x 1, manual x 1, charging cable x 1, lanyard x 1
14. Charging compartment size: about 5 x 5 x 2.2cm
15. Charging compartment + earphone weight: about 28.5g

Features:
1. Slim and lightweight design, comfortable to wear even when lying on your side.
2. Sensorless delay, layered diaphragm speakers
3. Large capacity charging compartment, lower power consumption and longer battery life.
4. Bluetooth V5.3 chip, improve transmission efficiency while reducing loss, better connection stability and audio smoothness, eliminate lag and delay
5. Suitable for a variety of scenarios