| Bluetooth Version | CSR v4.0 |
| Frequency Range | 2.4GHz Spectrum |
| Connection Distance | 0~10m |
| Charger Input Voltage | DC 12V- 24V |
| Li- Battery Capability | 220mAh |
| Standby Current | <0.1mA |
| Standby Time | More than 15 Days |
| Operating Temperature | -10~70? |
| Storing Temperature | -20~80? |
| Color | Black |
| Dimensions | (3.15 x 2.36 x 1.10)" / (8 x 6 x 2.8)cm (L x W x H) |
| Weight | 1.73oz / 49g |