GOgroove BlueVIBE F1T Bluetooth Running Headphones with Microphone - Wireless , Water & Sweat Resistant & Flexible Comfort Universal Bluetooth headset allows you to stream wireless audio from your Bluetooth Smartphone , Tablet , MP3 Player , Laptop and more Ergonomic sports fit with IPX 6 water-resistant design provides you with comfort and durability no matter how active you are Built in Hands-FREE calling and Microphone lets you use the BlueVIBE F1T as a Bluetooth phone headset Quality Guarantee - Backed by the GOgroove 3-Year Manufacturer's Warranty! Tech Specs- Bluetooth v2.1 * Frequency range: 2.4-2.48GHz * Operating distance: 30ft * Charging time: 2-3 hours * Audio Playback: 8 hours per charge * Weight: 1 oz * Dimensions: 5.5 x 6 x 1.7"