Bluetooth voice announcer car wireless speaker

Connection method: Bluetooth connection
Interface type: USB+3.5mm interface
Battery capacity: 1200mAh
Power supply mode: built-in lithium battery
Channel: 5.1
Play time: 12 hours
Expansion storage: 32GB
Number of speakers: 2
Effective distance: 15 meters
Function: card, waterproof, radio, dust-proof, drop-proof, call function
Operation mode: button
Applicable people: general
Play format: MP3, WMA, WAV, FLC, APE
Shell material: plastic & PC
Support format: U disk + TF card
Speaker adjustment method: button
Box material: Plastic & PC
Appearance size: 180*63*43mm