1. Wireless charging: input-5V/1A output: 5V/1A
2. Functions: answer the call, play/pause, volume +/-, switch up/down song, clock, thermometer
3. Support NFC playback, Aux in audio interface
4. Bluetooth version: V4.0
5. Built-in 1800mAh lithium polymer battery
6. Speaker charging time is about 4 hours / standby is about 100 hours / continuous use is about 6-8 hours