Specifications: 1. Brand: Bluboo. 2. Hard platform: MediaTek MT2601. 3. Internal:RAM: 1GB + ROM:4GB. 4. OS: Android wear (ANDROID 5.1) . 5. Display: 1.3inch Oncell. 6. Display: 360360 . 7. Battery: 450mAh 8. WIFI: Support 9. Bluetooth: 4.1 . 10. G-sensor: Support 11. Heart rate sensor: Support 12. Compass: Support 13. Charging port : 4pin 14.Language Multi: Language 15. Color: Black White Red Green Grey. World's first specialized sport Android Wear smart watch. Bluboo Xwatch is the real sports smart watch, besides of heart rate sensor, Xwatch has GPS, altimeter, barometer and compass, they are necessary parts for a sports watch. It is definitely a good item for sports enthusiasts all around the world. With Android 5.1 system, support WiFi, you can install and uninstall independent Android Wear application. Features: 1. Android Wear 5.1 system, MT2601 chip, 4G ROM + 1G RAM. 2. ON-Cell screen technology, the permeation rate is much higher than normal screen 3. Retina resolution level, 360 x 360 px, give you a better visual effect. 4. Sapphire touch TP, high hardness and eye-protective. 5. Support 3-axis gyroscope. 6. IP67 waterproof and dust-proof. 7. The whole metal case, classic Nouveau design. 8. Slim design, full fit arms, really close to the traditional watch wearing comfort and aesthetics.