Card Combo TV Speaker Sound Blaster Bluetooth Speaker

Specification:
Type: Bluetooth speaker
Connection method: Bluetooth connection
Battery capacity: 2000
Frequency response range: 100HZ-20KHZ
Output power: 5W*4
Signal to noise ratio: ≥75dB
Power supply: Built-in lithium battery
Playing time: 8 hours
Expansion storage: 32GB
Bluetooth protocol: 4.2
Number of speakers: 4
Effective distance: 15 meters
Function: card, radio, voice prompt, call function
Operation mode: Button
Applicable people: General
Display: None
Play format: MP3, WMA
Shell material: Plastic
Appearance size: 490*50*50mm
Product weight: 1.2 (KG)
Power mode: USB