Bluetooth speaker

Connection: Bluetooth connection

Interface type: USB

Battery capacity: 500 mA

Output power: 4 3W

The signal-to-noise ratio is not less than 75dB

Power supply: built in lithium battery

Channel: 2.1

Bluetooth protocol: 2.1

Function: call function, voice prompt, insert card, radio

Mode of operation: key

Display: None

Shell material: plastic

Speaker adjustment: Keys

Is there a radio function: Yes

Case material: plastic

Appearance size: 76*78*94MM

Color: yellow, green giant