Specifications:

Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 350mah
Frequency response range: 100HZ-20KHZ
Output power: 3W signal-to-noise ratio ≥75dB
Power supply mode: Built-in lithium battery
Channel: 1
Playing time: 1
Extended storage: 32GB
Bluetooth protocol: 4.0
Number of speakers: 1
Effective distance: 10 meters
Operation method: button
Applicable people: General
Display: None
Playback format: MP3
Shell material: metal
Whether to support APP: No
Supported format: TF card
Speaker adjustment method: button