Product information:

Function: plug-in card is waterproof and dustproof, voice prompt call function

Type: Bluetooth speaker

Connection method: Bluetooth connection

Interface type: USB

Battery capacity: 300 mAh

Frequency response range: 100HZ-20KHZ

Output power: 3W

Signal to noise ratio: ≥75dB

Display: None

Play format: MP3

Shell material: plastic

Support format: TF card

Speaker adjustment method: button

Box material: plastic

Color: white, blue black, red silver gray, orange green

Packing list:

machine, manual, exquisite color box packaging, charging cable