Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 2000 mAh
Frequency response range: 20HZ-20KHZ
Output power: 5W*4
Signal to noise ratio: -80db
Power supply: built-in lithium battery
Channel: 2
Play time: 2.5 hours
Expansion storage: 32GB
Bluetooth protocol: 4.2
Number of speakers: 2
Effective distance: 10 meters
Function: card, radio, voice prompt
Operation mode: button
Display: None
Play format: MP3, WAV
Shell material: plastic
Box material: plastic
Appearance size: 490*50*50mm
Packing list:
packing box, manual, charging cable, power cord, audio cable
