Connection method: Bluetooth connection
Interface type: USB
Frequency range: 100 Hz-20 kHz
Output power: 12W
Power supply mode: integrated lithium battery
Channel: 2
Playing time: 8 hours
Extended memory: 32 GB
Bluetooth protocol: 4.2
Number of speakers: 2
Effective distance: 15 meters
Function: insert card, voice prompt, call function
Color: brown
Material: ABS
Dimensions: 153 x 85 x 76mm