Rainbuvvy SEMI Smart Bracelet 1.75inch AMOLED Capacitive Touchscreen 390x450 Bluetooth 5.3 RTOS Watch JL7012 Dual Core 180mAh Super Thin Smartwatch

Model number: SEMI System Memory: 512KB Internal ROM: 4Mb External Flash: 128MB Touch Panel: Capacitive Operating system: RTOS Bluetooth version:5.3+BT3.0 Main control chip: JL7012 CPU CLOCK: dual-core 2*192MHz Gsensor: yes Heart rate: LC09A Watch size: 50.8*40.2*12.6mm Standby time: 5 Days Talking time: 1.5 Hour Functions: G-Sensor, Heart rate, Speaker, Mic, Vibrator, Encoder, NFC

Calorie Counter: no Heart Rate: yes Pedometer: no Battery capacity: 180mAh Display shape: Square Resolution: 390×450 Waterproof: yes