Canserin Wireless Charging Dock Cradle Charger for Samsung Gear S2 720 730 732 Classic Compatibility: Gear S2 (SM-720SM-730SM-732 Can be used) Input voltage: 5V Output Current: 700mA Output Voltage: 5V Product appearance (width x height x depth): Diameter: 39.8mm, height: 47.3 mm