■DISPLAY Screen Size: 0.95" inch Display Type: AMOLED Screen Resolution: 120 x 240 pixel Touch Type: Yes Muti -Touch ■BODY Size: 21.6 x 10.8 x 12 mm Weight: 83g Casing: Polycarbonate ■PLATFORM OS Platform: Proprietary OS ■MEMORY Internal Storage: 512 MB RAM: 64 MB Card Slot: none ■CONNECTIVITY SIM Slot: none WIFI: none NFC: none/Yes Bluetooth: Bluetooth Version: V5.0 USB: none ■BATTERY Battery Capacity: 135 mAh lithium polymer battery Standby time: About 20 days Charging Technology: Charging Cradle ■BODY RESISTANCE Body Protection: 50 Meters Waterproof Glass Technology: 2.5D scratch-resistant tempered glass with Anti-Fingerprint ■SENSORS Sensors/Functions: 3-axis accelerometer, 3-axis gyroscope, Capacitive proximity sensor, Optical heart rate sensor ■MEDIA Audio: none Radio: none Speaker: none Microphone: none ■CAMERA Camera Type: none ■FEATURES Do Not Disturb Mode, Watch Faces, Call and message notifications, NFC payment, Find my phone, Phone unlock, Event reminder,, Lock screen, Music controls on band, Sedentary reminder