Brand: Tinzzi CPU: YC1137 Flash Memory: 64 MB G-Sensor: Yes M-Sensor: Yes Wi-Fi: No SIM: No Bluetooth: 5.0 Display: IPS 2.09″ Resolution: 320 × 386 Touch Type: COB full-touch interaction Heart Rate Sensor: Yes Motor: Yes Microphone: Yes Speaker & Receiver: Yes Number of Keys: Dual buttons (1 side button, 1 encoder) Charging Mode: Magnetic wireless charging Battery Capacity: 360 mAh Battery Life: Standby >30 days | Use 3–5 days Product Size: 49 × 40 × 10.7 mm Appearance Material: Zinc alloy