Portable mini pocket bluetooth speaker waterproof

Connection method: Bluetooth connection
Interface type: USB
Output power: 5w
Power supply mode: built-in lithium battery
Channel: 2.1
Playing time: 8 hours
Bluetooth protocol: 4.1
Effective distance: 15 meters
Function: waterproof, radio, call function
Operation mode: button
Applicable people: general
Display: None
Shell material: plastic
Whether to support APP: No
Speaker adjustment method: button
Is there a radio function: Yes
Box material: plastic
Power supply mode: USB

Note: one price is one, not one pair