1. Bottom cover with heart rate sensor + wireless charging module replacement for Samsung Galaxy Watch4 Classic 42mm SM-R880 R885
2. Replace your broken or unworkable back housing cover with a new one
3. Each item has been checked and in good condition before shipping
4. Completely fit and work
5. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts