- Silicone Material
- With absorption function
- 4.0 Bluetooth function
- Transmission range up to 10 M
- Built-in Mic
- Frequency response: 2.400-2.480GHz
- Loudspeaker output: 3W
- Signal to Noise: 90HZ-20K/65dB
- Music playing time: 3 to 4 hrs
- Charging time: 1.5 to 2 hours