Redmi Watch 4 Obsidian Black

 Description by backtotheoffice

Smartwatch Digital Touchscreen 5 cm (1.97"") AMOLED 450 x 390 pixels 450 cd/m² Water resistance: 5 ATM Built-in microphone Built-in speaker(s) Heart rate monitor Accelerometer Activity tracker GPS (satellite) Bei Dou GLONASS Galileo Quasi-Zenith Satellite System (QZSS) Bluetooth Built-in battery 480 h Display Display brightness 450 cd/m² Display diagonal 5 cm (1.97"") Display technology AMOLED Touchscreen Yes Display resolution 450 x 390 pixels Display type Digital Performance Built-in camera No Built-in speaker(s) Yes Built-in microphone Yes Design Water resistance 5 ATM Waterproof Yes Shape Rectangular Band size One Size Band material Thermoplastic polyurethane (TPU) Band colour Black Watch case material Aluminium Watch case colour Black Market positioning Smartwatch Features Quality of sleep Yes Multisport mode Yes Activity tracker Yes Accelerometer Yes Blood oxygen sensor Yes Heart rate monitor Yes Network Quasi-Zenith Satellite System (QZSS) Yes Galileo Yes GLONASS Yes Bei Dou Yes GPS (satellite) Yes Mobile network connection No Ports & interfaces Bluetooth Low Energy (BLE) Yes Bluetooth Yes Power Battery life (max) 480 h Battery type Built-in battery Packaging content Packaging content 1x TPU bracelet with quick release, 1x magnetic charging cable Manual Yes Cables included USB manual pdf