IP3642W Features Bluetooth wireless speaker giving you unlimited music fun Superbass sound Mobile phone calls and redial function Can directly play music from an external TF card USB audio card function Supports audio input Built-in rechargeable lithium battery Easy to operate General Specs Brand & Model DOGO DG-620 Bluetooth v3.0+EDR Color White Battery 600mAh polymer lithium battery Audio Jack 3.5mm Line-in audio jack Package Details Weight: 276.06 g Size: 7.5*7.5*9.5 cm Package Includes * DOGO DG-620 Wireless Bluetooth Speaker with Hands-free Call， Card Reader & Subwoofer