500dl And 500c Elite Fingertip Bundle, Black

Features: 1. Comfortable wearing experience 2. Track and record oxygen level and heart rate 3. Smart vibration triggered by low SpO2 4. Built-in rechargeable battery for overnight use 5. Sync real-time data with App via Bluetooth, Support remote monitoring by wireless module size: 8.5 x 7.0 x 4CM Material: ABS+PC colour: black Package Contents: 1 x Host 1 x Bag hanging 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.