Specifications:
IPX7 waterproof
Chip: ATS2819
Bluetooth version: V5.0                                                         
Rated power:30W
Battery capacity: 7.4V/2500mAh
Product size: 300*102*160mm
Wireless working range: ≥10M(without obstacles)                                   Playing Time: about 15H（Medium volume）
Charging time: about 5H
Support: Bluetooth ， AUX ，Micro SD,TWS
Charge means: Type-C
Features:
1、IPX7 waterproof
2.Universal Connectivity by Bluetooth, TF Card, and 3.5mm AUX
3.Built-in large audio driver offers full high definition sound and enhanced bass
4.Portable and Durable Construction
5.Built-in  large capacity battery can play up to 15 hours on a single charge. 
6.TWS function