Weight: 0.2 kg. 
Product volume: 9.0 cm * 6.0 cm * 10.0 cm. 
Functions: card, radio, dustproof, anti-drop, voice prompt, call function. 
Certificate type: CE certification. 
Type: Bluetooth speaker. 
Connection method: Bluetooth connection. 
Interface type: USB. 
Frequency response range: 100HZ-20KHZ.