Forestfish(TM) Bluetooth Sync Smart Bracelet Sports Fitness Tracker Smart Wristband Water Resistant Tracker Bracelet Sleep Monitoring Anti-lost Smart Watch

Specification: Size: 2.3*0.7*0.5inch (L*W*H) BT version: BLE 4.0 Display: 0.84′ OLED 96*16 Charging: Built-in 5V USB slot Battery: 65mAh Li-on battery Standby time: 10-12 days Compatible with: IOS 7.0: iPhone 4/ 4S/ 5/ 5S; IOS 8.0: iPhone 6/ 6 Plus; Samsung S3, S4/4G, Note2, Note3, Note4; HTC one and most Android 4.3 or above smartphones.

Beets Blu Wireless Bluetooth Smart 4.0 Heart Rate Monitor is Compatible with Smartphones Apple (4S, 5, 5S, 5C, 6, 6 plus), Samsung Galaxy (S4, S5) and Nexus (4, 5, 7). With Soft Chest Strap

Beets BLU with chest strap ensures a continuous heart rate measurement with no interruption to exercise. The sensor captures the slightest electrical impulses and performs the most accurate heart rate readout due to ECG-based technology. Beets BLU is easy to use right out of the box. It starts your heart rate reading in seconds and

Polar 91047327 Speed and Cadence Sensor Bluetooth Smart Set

Boost your cycling performance with Polar Bluetooth Smart cadence and speed sensors. Find out what your most efficient pedaling rate is and measure your speed and distance accurately. The sensors included in this set work with Bluetooth Smart technology and consume only a little energy. Light yet tough and easy to attach. Compatible with Polar

Zephyr HxM Smart Heart Rate Monitor for iPhone 4S, iPad (3rd Gen) & iPhone 5 with Bluetooth Low-Energy (4.0)

The Zephyr HxM Smart is a wearable fitness-tracker designed for use with iPhone 5, 4s, Android 4.3 and other Bluetooth Smart devices. It combines our Smart Fabric, heart rate sensor technology, movement sensors and Bluetooth Smart connectivity on a chest strap for athletes who live on the cutting edge of technology. Using technology developed for