Portable Pill Bluetooth Audio

Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2
Playing time: 6 hours
Expansion storage: 32GB
Bluetooth protocol: 2.1
Number of speakers: 2
Effective distance: 7 meters
Function: insert card, radio, dustproof, voice prompt
Operation mode: button
Applicable people: general
Display: None
Play format: MP3
Shell material: plastic