Perman for Samsung Gear S2 720 730 732 Classic Smart Watch Portable Wireless Charging Dock Cradle Charger (Black) Compatibility: Gear S2 (SM-720SM-730SM-732) Convenient Wireless Charging. Compact, Portable Design. Interface: Wireless charging, micro usb. Package Contents: Wireless Charger, Manual(Korean) Product appearance (width x height x depth): Diameter: 39.8mm, height: 47.3 mm. Charging your Gear S2 could not be any simpler. Say goodbye to the wires ? simply pop it onto the dock to top up your battery. Check on your charging status with a handy LED indicator.