K3 Smart Bluetooth Speaker

Output power: 3W
Signal to noise ratio: 90dB
Power supply mode: built-in lithium battery
Channel: 2.1
Playing time: 6 hours
Expansion storage: support expansion
Bluetooth protocol: 5.0
Number of speakers: 1
Effective distance: 10 meters
Function: card, radio, dustproof, anti-drop, voice prompt
Operation mode: button
Applicable people: general