New Upgraded and stable PCB control Board. More CoMfortable and ergonomic spin Dial for adjusting The Voltage - Brand New and upgraded Battery Cell (which makes the spinner III even more Powerful). Longer Lasting Life span due to the New upgraded PCK circuitry And Battery Cell. 1650 mAh Battery Capacity. Charging cycles more than 500 times. Unique PCB Design. Improved bottom Spin. Metal Button with more than 20000 pressing durability. Carbon fiber material.