● Feature Highlights: With metal texture dual PR diaphragms,IPX6 Waterproof,EQ optional,Ultimate cost-effectiveness,Good sound quality,Rich functional ports.

● Bluetooth chipset: MVSILICON BP1048B1 

● Bluetooth Chipset Version：BT 5.3

● Water Resistance：IPX6

● Battery Capacity: 4000mAh

● Output power(W): 2x20W

● Charging time(H): 3 Hours

● Playing time(music)(H): ≥7 Hours(at 50% volume)

● Frequency range: 20Hz-20KHz

● Port: Type-C Charging in Port/USB Port/TF card/AUX in