Description: Brand: QUANTECK Model: QT-3612 Main Features: Size: 12 inches Speed modes: 3 adjustable levels Built-in LED lights Rechargeable battery: 6V 3.5AH Run time: 4 to 10 hours 5V USB port for charging mobile phones Built-in FM radio and Bluetooth speaker USB port and TF card slot (media playback) Wireless connectivity (Bluetooth) Night light function Supports solar panel charging and alternating current (AC/DC) Power supply: Input: DC 9V / AC 110V–240V Solar panel included: 9V / 6W Country of origin: China Warranty: 1 month