Product information:
Interface type: USB
Battery capacity: 300 mA
Frequency response range: 60Hz-15KHz
Output power: 3W
Signal to noise ratio: ≥70db
Power supply mode: Built-in lithium battery
Channel: 2.1
Playing time: 3 hours
Expansion storage: 4GB
Bluetooth protocol: 4.0
Number of speakers: 1
Effective distance: 10 meters
Function: Insert card, radio, call function
Operation mode: Button
Applicable people: General
Play format: MP3
Shell material: Plastic
Appearance size: 8*8*6cm
Product weight: 0.256 (KG)