The Fitbit Charge 6 is on sale for $99 for Amazon Prime Day, a 38% discount from its usual price of $160. 

The Charge 6 offers a battery life of  one week, reducing the need for  frequent charging. 

New features include Google Music playback controls, Google Maps prompts, and Google Wallet payment support. 

The 26 x 21.8 mm AMOLED touchscreen color display is durable and responsive, made with Corning Gorilla Glass. 

Improved heart rate sensor accuracy, especially during vigorous activities, supports ECG and EDA measurements. 

Heart rate readings can be shared with supported gym equipment for better workout tracking. 

The Charge 6 has a haptic button with a designated target area for easier use. 

Various band options are available, and bands from the Charge 5 are compatible with the Charge 6. 

Integrated GPS receiver supports  outdoor activities like running and  hiking without needing a phone. 

Integrated GPS receiver supports outdoor activities like running and hiking without needing a phone.