Portable Wireless Bluetooth Speaker 3D Stereo Music Surround Audio Subwoofer Support TF Card Outdoor Waterproof Loudspeaker

Specification:

Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 20Hz-20KHz
Output power: below 10W
Signal-to-noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2.1
Playing time: 6 hours
Expandable Storage: 32GB
Number of speakers: 1
Effective distance: 15 meters
Operation mode: button
Display: none
Playback format: MP3
Whether to support APP: No
Supported format: TF card
Speaker adjustment method: button
Whether there is a radio function: no
Box material: ABS+; Metal
Appearance size: 78*78*110MM
Power supply: USB
Waterproof grade: IPX 4
Built-in battery capacity: 1000mAh-1200mAh
Bluetooth protocol: 5.0

Package Includes:

1*Speaker
1*Charging cable
1*Instruction