EAGLE VISION ACE PRO EV-337 GPS Specifications GPS / GLONASS / MSAS / QZSS (Michibiki) L1S signal compatible Communication Specifications Bluetooth® SMART Smartphone App Link ○ (Yes) Display 240 x 240 dot color LCD Waterproof IPX7 Dimensions Width 46mm x Height 46mm x Thickness 15mm Weight 41g Power Li-ion battery (charges via USB Type-C) Usage Time Golf Mode: Approximately 11 hours Watch Mode: Approximately 24 hours Operating Temperature Range -10 to 60°C Charging Temperature Range 0 to 40°C Country of Manufacture Philippines Please refer to the manufacturer's website for details.