Fitbit Charge 5 AMOLED Wristband activity tracker Blue, Stainless steel Graphics card memory type___GDDR6 vertical 178° Supported graphics resolutions vertical 178° Supported graphics resolutions 3840 x 2160 Backlight type LED Display resolution 3840 x 2160 pixels Response time 5 ms Display diagonal 68 6") Full HD 1920 x 1080 8 mm Width 14 Stainless steel Form factor Other Device type Wristband activity tracker Features Daily totals memory capacity 30 day(s) Memory capacity 7 day(s) Calendar notifications Yes SMS notifications Yes Do not disturb function Yes Date indication Yes Call notifications Yes Accelerometer Yes Blood oxygen sensor Yes Vibrating motor Yes GLONASS Yes Position location Yes GPS (satellite) Yes Eat & drink No Workout tracking Yes Personal goals Yes Quality of sleep Yes Distance travelled Yes Calories burned Yes Active minutes Yes Heart rate monitor Yes Heart rate sensor type Optical Ports & interfaces Near Field Communication (NFC) Yes Wi Fi No Bluetooth Low Energy (BLE) Yes Bluetooth Yes Power Charging time 2 h Rechargeable battery Yes Battery technology Lithium Polymer (LiPo) Battery operated Yes Battery life 7 day(s) Weight & dimensions Depth 21