Product description BT version: Bluetooth 5.0 Battery capacity: 1500MAH Waterproof:IPX5 Color: Black?Red, pink Charging time: 3h Conversation time: 8h Music time: 8-12h Working range: 10 m Size:9.5cm*9.5cm*16cm Material: metal Package:1*speaker, 1*USB cable,1*AUX cable,1* Manual 1.? Exterior design?: Portable speaker body all with high quality matt black silicon oil,looks very modern,trendy and elegant. And it fit for travel and hiking. 2.? IPX5 WATERPROOF? : Our Bluetooth Speaker with IPX5 Waterproof ,protection safeguards against rain, dust, and spills. So that you use waterproof speaker near the pool, lounging on the beach, singing in the shower. But cannot withstand being submerged long time. 3.?RECHARGEABLE BATTERY AND POWER BANK FUNCTION ?:1500mah rechargeable lithium lion battery support for wireless speaker to play up to 12 hours playtime. and wireless speakers with power bank function can play when charging and also can be used to charge your phone for emergency situations. 4.?TWS FUNCTION?: Take latest TWS chipset,turn on 2 wireless speakers,double click the "+"button of one speaker,it can paired,you can achieve true wireless playing for left and right.easy to enjoy the surround sound. 5.?HIFI SOUND?:The speaker inside taken from famous supplier,super bass sound, You can enjoy music perfectly in 360 wireless stereo.