The Satechi BT Button Series makes your phone even more accessible with a single press of a button. Attach the button to your keychain, steering wheel, or dashboard to safely and conveniently access your smartphone when it"s out of reach. Access your tablet or smartphone even while it"s in your pocket, purse, from the couch, and more! The Satechi BT Shutter Button makes taking photos even easier with a single press of a button. Take the perfect blur-free selfie, include yourself in group photos, and start/stop video recording up to 40 feet away. Remote Shutter The Satechi BT Shutter Button activates the camera shutter on your smartphone or tablet from up to 40 feet away. Prop up your smartphone and use the BT Shutter Button to take blur-free selfies, or include yourself in group photos without having to ask a stranger to take the photo for you. Bluetooth Connection Simply pair the BT Shutter Button to your phone or tablet via Bluetooth. There is no software to install or any apps to download. The included CR2016 battery has an amazingly long battery life of up to 2 years and the wireless Bluetooth range is up to 40 feet. Keychain Attachment Attach the BT Shutter Button to your key ring using the included keychain attachment to quickly take blur-free photos. Take photos without even touching your phone! Includes: Bluetooth Shutter Button Button mount Keychain attachment 3M sticker CR2016 battery