Specification: Item Type: Speaker Alarm Clock Material: ABS, Plastic Battery Type: Lithium Battery (Shipped With Built in Battery) Battery Model: 18650 Extended Storage: 32gb (Without Memory Card) Version: 5.1 Distortion: Speaker: 5W Product Size: Approx.196*82*74mm Function: Model: WD-500 Input : 9V/2A USB Output: 5V/1A Bluetooth Version: V5.1 Wireless Output: 5W/7.5W/10W LED Display Brightness: 3 Levels (High-Low-Off) Alarm Sounds: 8 tones + 30 volume Package Contents Wireless Charging Alarm Clock * 1 Power Adapter with Cable * 1 User Manual * 1