Imprint Method: ColorPrint - 2 - The Sprinter Bluetooth headset is comfortable and convenient, while wirelessly playing your music or other audio content from a smartphone or other devices. Designed for an active lifestyle this headset is perfect in the gym or going for a run. The built in magnets on the earbuds allow for the headset to connect to each other for easy storage. The music controls are positioned on the earbuds for convenient use to avoid having to use the connected Bluetooth device. The headset also features a built in microphone to answer or make calls. The wireless working range is 10 Meters(33 feet).Playback time at max volume is 3 hrs. Charging time: 1 hr.