Chipset:BT8918B

• Screen:1.52" 360*360   IPS screen

• Battery: 250 mAh                                                                                        • Standby time: 20 days

• Material:zinc alloy+IML, silicone strap

• 3 side keys, Full touch + Rotary +ON/OFF + sports button                                            • Waterproof :IP67

• Charging:   Wireless charger                                                                              • APP: Wearfit pro

• Functions:BT calling/music, HR, BP, SPO2,sport, data, sleep,weather, caculator,stopwatch, timer, pressure, message, voice assistant,screen watch,NFC, Alipay, business card, screen lock,raise to wake,etc.