ProtoArc Vertical Wireless Trackball Mouse, EM05 NL Bluetooth Ergonomic Rollerball Mouse Rechargeable Computer Laptop Thumb Mice, 3 Device Connection, Compatible with iPad, Mac, Windows, PC-Blue REFURBISHED Burst Slo-Mo: HERO13 Black features

Burst Slo-Mo: HERO13 Black features our slowest slo-mo ever with the ability to record video clips with the action slowed down to 13x normal speed

32 g Batteries ‎3 Lithium Polymer batteries required

Powerful 1700W Motor - that enables consistent and even airflow throw performance

Superior Compatibility: WEEBILL-S comes with new motor units and an upgraded high-precision algorithm

Eye Comfort Large Display

ProtoArc Vertical Wireless Trackball Mouse, EM05 NL Bluetooth Ergonomic Rollerball Mouse Rechargeable Computer Laptop Thumb Mice, 3 Device Connection, Compatible with iPad, Mac, Windows, PC-Blue REFURBISHED Burst Slo-Mo: HERO13 Black featuresFeatures Ergonomic Design for Natural Grip: The vertical design of a 62 degree tilt and natural handshake can perfectly fit the palm of your hand, keeping your arms and wrists in a relaxed state, so that you won't feel tired after a day of work Bluetooth & 2. 4G Wireless ConnectionPLUG and PLAY. This trackball mouse has triple connection modes(2. 4G+BT 5. 1+BT 3. 0). You can control three devices at the same time, switch freely between Android, tablet