The Cressi Raffaello Computer External Bluetooth interface - Bluetooth docking station - allows seamless data transfer to your smartphone. It's compatible with Android (version 9.0 and above) and iOS (version 12 and above). Equipped with an included user-replaceable CR2032 battery, it helps conserve your dive computer's internal battery life. The dedicated app is conveniently available for download on the Google Play Store, Apple App Store, and Huawei App Gallery.