These are the characteristics features as seen on the body of information regarding these Gadget's.
JBL charge-4 speaker, Smart watch & Earbud ● ● Wireless Bluetooth Streaming
● Battery Capacity: 7500mAH
● Speaker playback time: 20 hours of playtime
Standby Time :100 hrs ● Compatible : IOS Android Windows
● Waterproof rating: IPX4