I only opened the box and put it on my wrist. Product Name: VOICE CADDIE T9 Color: Gray, Black Contents: Main unit, charging dock USB cable, instruction manual Main Features: V-Algorithm / Course Preview / Putt View / Real Green Undulation / 2-Step Green Zoom / Tempo Practice Mode / Shot & Putt Tracking / My Voice Caddie app compatible Compatible Courses: Compatible with 40,000 golf courses worldwide Supported Languages: Japanese, Korean, English, Chinese Error Range: ±3-5yd Operating Time: Watch mode 10 days / Golf mode approx. 10 hours (May vary depending on usage environment.) Display: 1.2-inch reflective color LCD Materials: Body: PC / Band: Silicone / Buttons: SUS, Aluminum / Top Ring: SUS, Ceramic Water Resistance: Water resistant for daily use Charging Method/Battery Type: Magnetic USB 2.0 charging dock / Li-Polymer Bluetooth: Bluetooth BLE5.0 Manufacturer/Country of Manufacture: VC INC. / South Korea Manufacturing Date: Separately indicated Release Date: April 2022 Warranty Period: 1 year after product purchase (However, battery and other components are 6 months)