2Pcs SanDisk A1 16GB UHS-I/Class 10 up to 98MB/s Micro SDHC Memory Card The custom heart rate sensor

The custom heart rate sensor in K88 smart watch can help gauge your intensity during workouts to improve overall calorie tracking

Operating Temperature -40℃～+85℃

Sticky at the bottom

EU charger

2Pcs SanDisk A1 16GB UHS-I/Class 10 up to 98MB/s Micro SDHC Memory Card The custom heart rate sensorProduct Features: Compact and lightweight, easy to carry. Store photos, videos and other media files. Fast reading speed enables fast transfers from one device to another. Compatible with all kinds of phone, tablet, car DVR etc. Easy to use, plug and play operation. Data won't lost when power is off. Product Specifications: Brand: SANDISK Categories: Flash Memory Card Type: TF Card Capacity: 16GB Speed Class: Class 10, UHS I Card version: MicroSDHC