Dimensions

• Diameter: 36,6 mm (1.44 in), Thickness: 10,6 mm (0.42 in)
• Weight 10 g / 0.35 oz with battery
• Water resistant to 30 m/100 ft

MCU

• Nordic Semiconductor nRF52832 comprising 32 –bit ARM® Cortex®-M4 with 64 kB on-chip RAM and 512 kB on-chip FLASH
• Integrated Bluetooth Low Energy radio, 2,4 GHz
• External memory: 3 Mb (384 kB) EEPROM

Sensors

• Accelerometer/gyro combo with the following dynamic ranges:±2/±4/±8/±16 g full scale, ±125/±245/±500/±1000/±2000 dps full scale
• Magnetometer with ±50 gauss dynamic range
• Temperature with the following maximum ratings/accuracy:±0.5°C (max) from 0°C to +65°C±1.0°C (max) from –40°C to +125°C

I/O

• Bluetooth Smart
• Led (red) on the front
• UART, debug I/F and power & ground (behind the battery slot/sticker)

Energy source

• CR 2025 lithium coin cell battery

Software

• Easy to use C++ Movesense Device API
• iOS and Android libraries with firmware update capability
• GNU tool chain for embedded ARM

Approvals and compliances

• CE, FCC, IC
• Conforms REACH, RoHS
• Bluetooth 4.2 / 5.0

Patents

• US 13/071,624, US 13/832,049, US 13/832,598, US 13/917,668, US 13/397,872, USD 667,127, US 8,386,009, US 8,750,959, US 8,814,574, US 8,886,281, others pending

Kit contents

• Movesense HR+ sensor
• Accessories
  • 1 pcs Heart Rate Monitor Belt with Movesense connector (black, size M)
  • 1 kit of ECG Glue-on Patch Electrode (2 x ECG patch)
  • 1 pcs Movesense Wrist Mount
  • 1 pcs Movesense Clothing Clip
  • 1 pcs Movesense Surface Mount