These Bluetooth headphones join the widely popular JVC “ Gumy” headphone line up. Offering the convenience of wireless operation combined with stylish 6-colour variations & sound value. Comfortable fit & powerful sound The “ Gumy” features comfortable fit to ears with the “elastomer “ (GUMY) material. It also features high sound quality with 9mm powerful Neodymium driver unit. For secure & comfortable fit, small & medium silicone earpieces are supplied. 3-button inline remote & microphone for hands-free Calling. The HA-FX9BT features an inline mic & remote that means that you can play, stop & skip tracks as well as answer phone calls. Features Comfortable fit by the elastomer material 6-colour selection S / M size silicone earpieces included Powerful sound with 9.0mm Neodymium driver unit Listen wirelessly to your favorite music 5 hours of wireless listening with built-in rechargeable battery 3-button remote & mic for Bluetooth devices Specifications Transmission Area Approx.10m Driver Unit 9.0mm Magnet type Neodymium Frequency Response 20-20, 000 Hz Power Supply Built-in rechargeable battery Battery Life (approx.) 5 hours (with 2.5 hours of charging time) Weight (with cord) 12g 3 button operation remote (via Bluetooth), volume +/-, power Bluetooth version 4.1 (class 2) Bluetooth profile AVRCP, A2DF, HSP, HFP Supporting codec SBC Accessory S/M silicone earpieces, USB (Universal Serial Bus) charging cord