The E104–BT10N with Wireless Modules SMD,19x13mm RoHS manufactured by Ebyte is a Bluetooth 4.2 + EDR low-energy module with the CPU Cortex M3 as its main processor. It is a low-power, low-cost Internet-of-Things (IoT) application solution. It includes MMA8452Q accelerometer, EEPROM, antenna, memory, and battery. It provides up to 10X better reception rate than traditional Bluetooth 4.2 solutions. It supports up to 30 meters indoor and 100 meters outdoor working range, and is compatible with iOS, Android, Windows and more. It is RoHS compliant and comes with a variety of options such as Temperature Sensor, Heart Rate Sensor, and Light Sensor.