Function：
1.IPX7 Waterproof Shockproof
2.) TF play high resolution WAV/FLAC/APE/MP3 file
3.）NFC connetion
4.）Support 3.5 line in
6.) USB charging 5V/2.A
Specification：
20W DSP HIFI sound SPEAKER
Bluetooth: 5.0
Max Output：20WX2
RMS:20W
Play Time：≥8hours(@50% Volume)
Input： DC 5V/2.1A
Charge Time：≤3hours
Bluetooth Range：≥18m（open area）
Driver size：66mm
Battery：2600mAh
SIZE: 202x61x87mm
