Golf rangefinder with GPS function and approximately 80 hours of battery life. - Model Name: NORM GN301 - Brand Name: GREENON - Bluetooth Function: Yes - Band Size: 14-22cm - Weight: 33g - Battery Life: Approximately 80 hours - GPS Function: Yes I panicked and bought this because I thought I had lost the same product! I found the original after using this one three times. I don't need two, so I'm selling this one. Warranty, instruction manual, and charging cord are all included.