ABS Plastic and Aluminum multi-function tech accessory is both a wireless speaker and wireless charger. Compatible with all phones that support wireless charging. Please note, this is not a fast charger. While it will charge devices that support fast charging, it will do so at a standard speed. It is recommended to check your device specifications before purchasing to ensure compatibility. Power/Technology: Rechargeable Lithium-Ion battery: 3.7V, Capacity: 400 mAh; Input: DC 5V; Output: 5V/0.8A (Wireless); Output/Power: 3Wx1(Speaker); Frequency response: 20-20kHz; Wireless V 5.0.; Transmission range: 10M (30 feet); Wireless charging distance: 6mm (0.23"); Speaker must be charged prior to first use. Charge time varies by device. Approx. speaker playback time: 2-3 hrs, depending on usage....