
EMAY Sleep Oxygen Monitor with App for iPhone & Android
Track Overnight & Continuous Blood Oxygen Saturation Level & Heart Rate with Professional Report, Memory Stores Data Up to 40 Hours
Built in Memory: With a 40 hours built-in memory, EMAY Sleep Oxygen Monitor allows you to store overnight and continuous blood oxygen saturaiton levels & heart rate during sleep or other ocassions.

L8star Fitness Tracker
Continuous Heart Rate Monitor IP67 Waterproof Smart Activity Tracker with 6 Sports Mode, Sleep Monitor, Pedometer Smart Wrist Band for Women Men
Direct USB Charging: Fast charging the bracelet by USB port without cable, and the 80mAh rechargeable battery can working standby time for 7 to 10 days; APP support Above Android 4.4, Above iOS 8.0, Bluetooth 4.0.Please download Flagfit 2.0 app to connect it.

Scosche Rhythm24
Waterproof Armband Heart Rate Monitor HRM Optical with Dual Band ANT+ and BLE Bluetooth Smart, Gray
HYPER-ACCURATE - Patented optical sensor technology for highly accurate monitoring and measurement. Green + Yellow Optical Sensors Provide superior measurement with all skin tones. Better than monitors and watches that employ only green sensors. On Board Recording allows you to leave your mobile device behind, record workouts and upload data to your device later.

Scosche Rhythm+ Heart Rate Monitor Armband- Optical Heart Rate Armband Monitor with Dual Band Radio ANT+ and Bluetooth Smart
Bonus Pack Includes Additional Free Armband (Green)
RHYTHM plus works with most popular health and fitness apps, including: DigiFit Run keeper MapMyFitness Strava and more

Polar FT4 Heart Rate Monitor Watch (Silver
Black)
Smart Calorie feature uses your personal data to provide accurate calories burned

Wahoo Fitness Wahoo TICKR Heart Rate Monitor
Bluetooth/ANT+
Personalized Heart Rate Training workout efficiently - track and capture real-time heart rate, training zones and calories burned on your smartphone or tablet with compatible training apps.

OUTAD Smart Watch with 24h Heart Rate Blood Oxygen Pressure Sleep Monitor For Android Phone iPhone
IP67 Waterproof Fitness Tracker Step Pedometer, Bluetooth Music Control Notification Reminder, Black
EASY BLUETOOTH PAIRING & UNIVERSAL COMPATIBILITY. This smart watch pairs easily and works well with iPhone and Android smart phones with Bluetooth 4.0 and above, and running on Android 4.4 / iOS 9 and above. Smart phones including iPhone Google Samsung Lenovo LG and more brands are generally supported.

Garmin vivosmart 4
Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black, Large Band
Slim, smart activity tracker blends fashionable design with stylish metal accents and a bright, easy-to-read display
![SHANREN Heart Rate Monitor [2019 Upgrade] Beat 20 Chest Strap Smart Fitness Tracker Support Bluetooth and ANT+, Rechargeable Heart Rate Sensor with Vibration Alert, IP68 Waterproof](https://m.media-amazon.com/images/I/410OgqH1TcL.jpg)
SHANREN Heart Rate Monitor [2019 Upgrade] Beat 20 Chest Strap Smart Fitness Tracker Support Bluetooth and ANT+
Rechargeable Heart Rate Sensor with Vibration Alert, IP68 Waterproof
Rechargeable DesignLong-lasting battery gives 280 hours working time for a single charge. At same time reaches IP68 30m waterproof level and 55g light weight, makes you focus on and fully enjoy sports.

POLAR FT7 Heart Rate Monitor
Black/Silver
Smart Calorie feature uses your personal data to provide accurate calories burned