E7s Digital Sports Waterproof TWS Bluetooth 5.0 In-Ear Headphones(Black)

1. Material: ABS2. Frequency: 2.4G3. Impedance: 16R4. Signal-to-noise ratio: 95dB5. Bluetooth version: 5.06. Battery capacity: 45mAh/300mAh7. Call time: 4 hours8. Game use time: 5 hours9. Voltage: 3.7V10. Connection distance: 15 meters11. Frequency range: 20-20KHZ12. Outer box size: 58x40x26mm13. Headphone size: 22x24x12mm14. Double diaphragm, delicate and comfortable touch15. Small appearance and easy to carry16. IPX4 waterproof technology, support outdoor sports in cloudy and rainy days17. In-ear design, ingenious support for decompression, suitable for different ears18. 6mm composite sounding diaphragm to achieve full-band ultra-low distortion