Alarm Clock Wireless Bluetooth Speaker Mini Home Speaker With built in Alarm Clock

Function: card, radio, voice prompt, call function
Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 1400 mAh
Frequency response range: 100HZ-20KHZ
Output power: 3W
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2
Play time: 4 hours
Expansion storage: 32GB
Bluetooth protocol: 4.1
Number of speakers: 2
Effective distance: 10 meters
Operation mode: button
Display: Yes
Shell material: plastic
Support format: TF card
Speaker adjustment method: button
Is there a radio function: Yes
Box material: plastic
Product weight: 0.35 (KG)

Power supply mode: USB