F16 Smart Watch ECG Monitors Blood Pressure And Heart Rate $ 23.77 Product information: Appearance size: host: 4337.513.5mm whole machine: 25537.513.5mm Material: IPS Battery capacity: 170mAh Wearing method: wristband Operation mode: touch + button Interface: USB 2.0 Wristband Material: Silicone Color: black gray, black green, black red Packing list: Bracelet + manual + packing box + charging cable*1
