The TomTom Spark Music with Bluetooth Headphones lets you train with music, not with your phone. Features 3GB of music storage, audio feedback, 24/7 Activity tracking, GPS tracking, multisport mode and automatic sleep tracking. Please note this product number is just the tracker, headphones are not included. Music on your wrist: over 500 songs worth of music storage, with a running trax; playlist created exclusively by ministry of sound so you can listen to your favourite tunes straight from your watch. 3GB memory. Connectivity Proprietary operating system. Bluetooth 4 connection. USB 2 connection. Display information LED screen. Battery 5mAh battery capacity. Typical usage time of up to 0.25 day. Low usage time of up to 21 days. Physical specification Size H143, W3.5, D11.5mm. Weight 49g. Features Water resistant. Dust resistant. Scratch resistant. Music player. Pedometer. Accessories included: tomtom watch charging cable.