500dl and 500c Elite Fingertip Bundle, Black

Features: 1. Comfortable wearing experience2. Track and record oxygen level and heart rate3. Smart vibration triggered by low SpO24. Built-in rechargeable battery for overnight use5. Sync real-time data with App via Bluetooth, Support remote monitoring by wireless modulesize: 8.5 x 7.0 x 4CMMaterial: ABS+PCcolour: blackPackage Contents: 1 x Host1 x Bag hanging1 x English instruction manualOnly 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.