Ongaku is a Fast-Wireless Charger, with Alarm Clock/Portable Power Bank/Bluetooth Speaker. All in one Multi-functional Charging DOC. Portable wireless charger 5 watt with 4000 mAh power Bank Wireless blue tooth speaker with 10 Hours playtime , LCD Alarm clock. Speaker Output: 1x5 W (1 KHz, THD = 10%) , Bluetooth standard: V4.2 + EDR, 2.4 GHz-2.48 GHz Operating frequency range, 33 feet /? 10 Wireless range, Input jack: USB, Micro USB, Bluetooth, Normal value is 10 hours. Ongaku comes with 4000 mAh Li-Polymer battery. Input: Micro USB: DC 5V/2.0A. Output: USB: DC 5V/1.0A. Output: Wireless 5W