Wireless Bluetooth speaker in a robot design with a built-in microSD card reader, microphone, and AUX output. Technical Specification: power supply: 2200mAh battery power bank function output: 5W speaker diameter: 53mm AUX output miniJack 3.5mm microSD card reader speaker - robot has backlit eyes built-in microphone - can be used as a hands-free set included in the package minijack-minijack 3.5mm cable dimensions: 160x118x96mm Quantity per carton: 50pcs.