TWS Pocket Portable Bluetooth Speaker

Brand: VVADI
Type: Mini speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 500MAH
Frequency response range: 100HZ-20KHZ
Output power: 3W
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Playing time: 6 hours
Bluetooth protocol: 4.1
Effective distance: 15 meters
Function: drop-proof, dust-proof, call function
Shell material: metal
Whether to support APP: No
Speaker adjustment method: button
Cabinet material: aluminum alloy
Power supply mode: USB