Does one have to do anything to turn it off and save battery when not in use?

After the sensor is properly worn, it will automatically turn on, the front LED flashes (turns off after 10 times). * Note: The red light indicates that the monitor is ready to use.

Will this connect with Nu Step cross trainer?

It syncs with all my set ups - Garmin, Wahoo and my Schwinn Carbon Blue Spin bike computer (who know who made that)

Will this connect to the cardio machines at the gym?

I connected to my phone using bluetooth

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Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs

Product ID: 414906832

Details

Battery Description
Lithium-Ion
Battery Life
1000 hours
Brand
Magene
Color
H303
Compatible Devices
Smartphones
Item Weight
0.06 kg

💧IP67 water resistance

📶Dual ANT+/Bluetooth sync

🔋1000h battery life

Description

❤️‍🔥 Track Every Beat, Own Every Workout! 🔥

BUILT TO ENDURE - Durable, sweat-resistant materials with IP67 rating for reliable performance across all sports except swimming.
STAY IN THE ZONE - Flashing LED indicator keeps you informed of your heart rate and connection status without breaking focus.
LONG LASTING POWER - Up to 1000 hours of battery life means less downtime and more consistent training progress.
PRECISION IN MOTION - Advanced noise-cancelling tech ensures accurate heart rate tracking even during intense workouts.
SEAMLESS CONNECTIVITY - Simultaneously streams data via ANT+ and Bluetooth to your favorite fitness apps and devices.

The Magene H303 Heart Rate Monitor chest strap combines cutting-edge noise reduction technology with dual ANT+ and Bluetooth connectivity, delivering precise heart rate data across multiple platforms. Its durable, sweat-resistant design and IP67 water resistance make it ideal for diverse sports, while a long-lasting 1000-hour battery ensures uninterrupted performance. The built-in LED indicator keeps you connected and focused, empowering you to maximize every training session.

Specifications

ASIN	B09QKVLFBJ
Battery Average Life	1000 hours
Battery Description	Lithium-Ion
Best Sellers Rank	#85,935 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #70 in Heart Rate Monitors (Sports & Outdoors)
Brand Name	Magene
Color	H303
Compatible Devices	Smartphones
Customer Reviews	4.2 4.2 out of 5 stars (468)
Included Components	Battery
Item Dimensions L x W x H	2.45"L x 1.38"W x 0.45"H
Item Type Name	heart rate monitor
Item Weight	0.06 kg
Manufacturer	Magene
Manufacturer Part Number	H303
Material Type	Plastic
Model Number	H303
Sensor Type	Wearable
Software Update Supported to Date	unknown
UPC	899385372846
Warranty Description	1 year

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