A full charge lasts for one round. It has been used, but there are no noticeable scratches, and it can still be used without any problems. Please check the photos. Actual dimensions: 43.4 x 43.4 x 11.7mm Display size: 30.4 mm diameter Resolution: 240 x 240 pixels, high-resolution color touch panel Weight: 43g Operating time: Watch mode up to 10 days, GPS mode up to 15 hours Water resistance: 50m waterproof Included courses: Compatible with over 41,000 golf courses worldwide Cable, instruction manual, and box are included.