M17 Outdoor Portable Barrel Bluetooth Speaker

Power supply: Built-in lithium battery.

Track: 2.

Playing time; 6 hours.

Extended storage: 32GB.

Bluetooth protocol: 4.0.

Speaker: 3.

Effective range:10 m.

Operation mode: key.

Applicable people: General.

Display screen: Yes.

Play format: MP3.

Shell material: plastic.

App support: No.

Supported format: TF card.

Audio box adjustment mode: key.

Does it have a radio function: Yes.

Box material: plastic.