High quality Durable material Specifications Bluetooth standard : 4.2 Li-ion Output : 3.7V/ 400Ma Power supply : 5V/ 400mAh Frequency : 100 HZ -- 20KHZ Signal & noise ratio : 85db Speaker Unit : 3W/4ohm Wireless Charger : Input: 5V 2A, Output 5W Product Size : 70 * 67 * 68 mm Material : ABS Plastic with Rubber oil coating Function : Mobile Phone stand, LED light up LOGO, Wireless charger 5W Package Includes Color Paper Box Bluetooth Speaker Micro USB Charge Cable User Manual