| Transmission distance: | outdoor linear distance 10-15 meters, |
| Charging box battery capacity: | 420mah (with protection board) |
| Battery capacity: | lithium polymer battery headset 45mah |
| Signal-to-noise ratio: | > 90db |
| Distortion: | <0.1% |
| Working voltage: | 3.0V-4.2V |
| Working current: | 5-10MA |
| Power input: | 5V, |
| Speaker impedance: | 32 ohms |
| Use time: | 3-5 hours |
| Standby time: | 120 hours |
| Charging time: | 50 minutes, |
| Charging compartment size: | 33 * 67.5 *46mm. |
| Headphone size: | 26mm * 30mm. |
| Packing box size: | 98 * 98 * 35mm |
| Single weight: | 98g |
| Color: | white, black, blue,pink,yellow |
| Packing list: | Gift box + manual + charging cable + earphone + charging compartment |
