Product information:  

Type: Bluetooth speaker

Connection mode: 3.5mm audio socket
Interface type: USB
Battery capacity: 1100mah
Output power: 15W
Signal to noise ratio: ≥ 75db
Power supply mode: built in lithium battery
Vocal tract: 2.1
Duration: 6 hours
Extended storage: 32GB
Bluetooth protocol: 4.0
Effective distance: 10M
Functions: card insertion, remote control, radio
Operation mode: key
Display: None
Playback format: MP3, wma
Shell material: Metal
Whether app is supported: no
Supported format: F card
Speaker adjustment mode: key
Whether there is radio function: Yes
Box material: Metal

Packing list: 

remote control, data cable, radio antenna, manual