DESCRIPTION...  - Model of speaker: F-808- Connection: Bluetooth, Wireless- Transmission distance: up to 25M- Interface : 3.5mm Audio, Micro USB- Frequency: 150Hz-18,000Hz- Input: 5V 1000mA- Output: RMS 3W, THD = 10%- Battery: Rechargeable Lithium-Ion (lasts up to 7 hours)