Give your watch the perfect wind with the device that's perfectly sized to take on your travels. It counts precise number of rotations and turns per day with patented rotation programs. The Direct Drive Micro Gearbox ensures reliability and precision. Long-life rechargeable lithium ion battery with USB Type-C charging port Rotation: 10 second start delay, 900 TPD (turns per day), patented rotation programs Intermittent rotation with pause and sleep phases pre-programmed Bi-directional setting Sub-surface LEDs monitor the status of your Rocket whether charging or winding Synthetic Imported