Specifications:
IPX7 waterproof
Chip: ATS2819
Bluetooth Version: :V5.0+EDR 
Rated power: 2*10W 
Peak power: 2*12W
Battery:4000mAh
Charge means: Type-C                                   Speaker frequency：115Hz-15kHz
Input voltage:5V/2.4A（max）
Speaker: 48mm
Support: TWS AUX   TF ，DSP,CSB
Size:  75*75*181 mm
weight: 583g                                            
Play Time:≥10 H
charging time : 3 H
Talking Time: ≥10 H
Wireless operation range：≥18m
CSB: support more than：200 Speakers connected  ,connect working range:60m
Material:：ABS+Fabric
Features:
1、IPX7 waterproof
2、Connect+
CSB: support more than：200 Speakers connected  ,connect working range:60m
3、Powerful 20W deep bass
4、10H worry-free battery life
5、With volume knob easy to control the volume.
6、360° full surround sound