Shed the shabby wires with ilive's truly wire-free Bluetooth earbuds. The sporty hook design keeps these earbuds in place so you can work hard or play hard without sweating the small stuff. In fact, with ipx7 you don't have to sweat the large stuff either. Best of all, Bluetooth 5.0 will transform how you feel about streaming music and phone calls. 5.0 has more range, more speed, and more broadcasting capacity than any version before it, all while saving your devices on power. Now your audio can go as hard as you do. Number of Batteries: 1 Included: 1 Usb Cable(s), 1 Instruction Manual(s), 1 Carrying Case(s) Features: True Wireless, Bluetooth Compatible, Water Resistant, Rechargeable, Built-In Microphone Battery Type: Lithium Ion Impedance: 12 Ohms Manufacturer Warranty: 90 Day Parts Limited Power Source: Battery (included) Measurements: 2.56 Width/Inches, 2.95 Length/Inches, 1.26 Height/Inches Minimum Frequency Response: 20 Hertz Maximum Frequency Response: 20 Kilohertz Weight (lb.): 0.2 Lb Country of Origin: Imported