Sourcingbay SCB05 Wireless Bluetooth 3.0 Speaker with 4000mAh Emergency Powerbank - 3W Output,Portable and Water Resistance,Built-in Microphone for Handfree (Black) Bluetooth 3.0 technology, Compatible with all Bluetooth-enabled devices(2.1 and over),and able to be connected any non-Bluetooth device via 3.5mm port Built in 4000 mAh rechargeable battery lasts up to 12 hours Small and compact. Size is 12.5 x 4.5cm. Only weighted 180g Soft touch rubber that surrounds the speaker Weatherproof speaker: IPX4 only support living waterproof, could not be exposed to the rain or soak