wireless mini outdoor small speakers

Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 1200mah
Output power: 6w
Power supply: built-in lithium battery
Playing time: 4 hours
Extended storage: 32GB
Bluetooth protocol: 4.2
Number of speakers: 2
Effective distance: 10 meters
Function: card, radio, voice prompt, call function operation mode