1.Bluetooth version: 5.0
2.Transmission distance: 10m
3.Playing time: 10-12 hours
4.Battery capacity: 100mah
5. Impedance: 32 ohms
6.Frequency response: 20Hz-20kHz
7.Rated power: 11mW
8.Drive unit: 10mm
9.Input: DC 5V 500ma
10.Standby time: 2 years
11.Charging time: 2 hours
12. Magnetic absorption design to prevent slipping and loss
13. Liquid silicone hanging neck design free to bend
14. Life-grade waterproof can effectively prevent sweat
15.Dimensions: 206x171x35mm
16.Weight: 21.5g