Hammer Active smart watch with calling function is powered with a 260 mAh battery, which can last for 8 to 10 days of constant usage and comes with an incredible 30 days stand-by time (It may vary with heavy usage). Hammer Lifestyle is known for making the best quality Smart Watches for Men, Women, Boys & Girls. Hammer Active has meditation modes that enable you to take a step back and do some breathing exercises thereby making your health better. It also has multiple sports modes and activity tracking. This lets you play audio via inbuilt speakers and control the music from the watch itself. This smartwatch has 385 PPI with 400 nits of brightness. We created the product with care, so it can take care of your style and health