- BT: BT4.0
- Speaker Diameter: 40mm diameter hollow magnetic
- Speaker Impedance: 32ohm
- Speaker Sensitivity: 108db±3dB
- Frequency Response: 20-20000Hz
- Frequency Range: 87-108MHZ
- Charge Time: ＜2.5hrs
- Operate Hours: About 4hrs
- Color: Black, White, Red, Blue(4 colors optional)
- Package Size: 19 * 4.5 * 21cm
- Package Weight: 210g
