![Amazon.com: Beats Studio Pro - Wireless Bluetooth Noise Cancelling Headphones - Personalized Spatial Audio, USB-C Lossless Audio, Apple & Android Compatibility, Up to 40 Hours Battery Life - Black : Electronics Amazon.com: Beats Studio Pro - Wireless Bluetooth Noise Cancelling Headphones - Personalized Spatial Audio, USB-C Lossless Audio, Apple & Android Compatibility, Up to 40 Hours Battery Life - Black : Electronics](https://m.media-amazon.com/images/I/61u-OaDSfQL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Beats Studio Pro - Wireless Bluetooth Noise Cancelling Headphones - Personalized Spatial Audio, USB-C Lossless Audio, Apple & Android Compatibility, Up to 40 Hours Battery Life - Black : Electronics
![To avoid starving, this bat varies its heart rate from 1000 to 200 beats per minute | Science | AAAS To avoid starving, this bat varies its heart rate from 1000 to 200 beats per minute | Science | AAAS](https://www.science.org/do/10.1126/science.aaq0237/abs/bats.jpg)
To avoid starving, this bat varies its heart rate from 1000 to 200 beats per minute | Science | AAAS
![Amazon.com: Beats Studio3 Wireless Noise Cancelling Over-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 22 Hours of Listening Time, Built-in Microphone - Midnight Black (Latest Model) : Electronics Amazon.com: Beats Studio3 Wireless Noise Cancelling Over-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 22 Hours of Listening Time, Built-in Microphone - Midnight Black (Latest Model) : Electronics](https://m.media-amazon.com/images/I/61akJzywmPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Beats Studio3 Wireless Noise Cancelling Over-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 22 Hours of Listening Time, Built-in Microphone - Midnight Black (Latest Model) : Electronics
![Amazon.com: Beats Fit Pro - True Wireless Noise Cancelling Earbuds - Apple H1 Headphone Chip, Compatible with Apple & Android, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Tidal Blue : Electronics Amazon.com: Beats Fit Pro - True Wireless Noise Cancelling Earbuds - Apple H1 Headphone Chip, Compatible with Apple & Android, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Tidal Blue : Electronics](https://m.media-amazon.com/images/I/61UUQIBqMVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Beats Fit Pro - True Wireless Noise Cancelling Earbuds - Apple H1 Headphone Chip, Compatible with Apple & Android, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Tidal Blue : Electronics
![Amazon.com: Beats Fit Pro – True Wireless Noise Cancelling Earbuds – Apple H1 Headphone Chip, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Black + Amazon.com Gift Card in Amazon.com: Beats Fit Pro – True Wireless Noise Cancelling Earbuds – Apple H1 Headphone Chip, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Black + Amazon.com Gift Card in](https://m.media-amazon.com/images/I/41IBFLcGsEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Beats Fit Pro – True Wireless Noise Cancelling Earbuds – Apple H1 Headphone Chip, Class 1 Bluetooth®, Built-in Microphone, 6 Hours of Listening Time – Black + Amazon.com Gift Card in
![Amazon.com: Beats Solo3 Wireless On-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 40 Hours of Listening Time, Built-in Microphone - Red (Latest Model) : Electronics Amazon.com: Beats Solo3 Wireless On-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 40 Hours of Listening Time, Built-in Microphone - Red (Latest Model) : Electronics](https://m.media-amazon.com/images/I/51-CdmhSPLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Beats Solo3 Wireless On-Ear Headphones - Apple W1 Headphone Chip, Class 1 Bluetooth, 40 Hours of Listening Time, Built-in Microphone - Red (Latest Model) : Electronics
![Amazon.com: Beats by Dr. Dre Studio 2.0 Wireless Over-Ear Headphones - Adaptive Noise Canceling and a Built-in mic, Car Charger (Renewed) : Electronics Amazon.com: Beats by Dr. Dre Studio 2.0 Wireless Over-Ear Headphones - Adaptive Noise Canceling and a Built-in mic, Car Charger (Renewed) : Electronics](https://m.media-amazon.com/images/I/51h2FBaNKyL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Beats by Dr. Dre Studio 2.0 Wireless Over-Ear Headphones - Adaptive Noise Canceling and a Built-in mic, Car Charger (Renewed) : Electronics
![a) Interbeat interval time series B(i) of 1000 beats. (b) The solid... | Download Scientific Diagram a) Interbeat interval time series B(i) of 1000 beats. (b) The solid... | Download Scientific Diagram](https://www.researchgate.net/publication/247915109/figure/fig1/AS:392817538027521@1470666407178/a-Interbeat-interval-time-series-Bi-of-1000-beats-b-The-solid-blue-curve-is-the.png)