Wireless bluetooth speaker

Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 300
Frequency response range: 100HZ-20KHZ
Output power: 3W
Signal to noise ratio: ≥75dB
Power supply: built-in lithium battery
Channel: Single speaker
Playing time: 2 hours
Extended storage: 32GB
Bluetooth protocol: 5.0
Number of speakers: 1
Effective distance: 15 meters
Function: audio input, voice prompt, card, radio, call function
Mode of operation: Button
Display: None
Play format: MP3, WMA
Shell material: plastic
Support format: TF card
Speaker adjustment method: Button
Is there a radio function: Yes
Box material: plastic
Packing list: speaker, manual, charging cable, audio cable
Power supply: USB
Color: white, pink, blue, yellow, black