Wireless earphones “ES73 Dynastic” with mic

ES73 Dynastic, wireless earphones, magnetic design, BT v5.4, 400mAh battery for 60 hours of use and 130 hours of standby

1. BT version: v5.4. Chip: AC7003.
2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.
3. Transmission distance: 10m.
4. Transmission frequency: 2402-2480 MHz.
5. Speaker unit: 14mm.
6. Impedance: 32Ω ± 15%.
7. Frequency response: 20-20000Hz.
8. Sensitivity: 92dB ± 3dB.
9. Battery capacity: 400mAh.
10. Charging input: DC5V, Type-C.
11. Charging time: about 2 hours.
12. Talk / music time: 60 hours (80% volume level). Standby time: 130 hours.
13. Silicone neck band. Magnetic design.
14. Battery display: supports for iP phones and some Android phones.
15. Length: 78cm.
16. Weight: 49g.