Bluetooth alarm speaker-led-radio -Black,5W

Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100Hz-20KHz
Output power: 5W
Signal to noise ratio: ≥ 75db
Power supply mode: built-in lithium battery
Channel: 2.1
Playback duration: 6 hours
Extended storage: 32GB
Bluetooth protocol: 4.1
Number of speakers: 1
Effective distance: 10M
Operation mode: press key
Applicable population: General
Display: Yes
Playback format: MP3
Shell material: plastic
Support app: no
Supported format: TF Card
Speaker adjustment mode: key
Whether there is radio function: Yes
Box material: plastic
Appearance dimension: 80 * 80 * 80mm
Product weight: 0.2 (kg)