In-ear Earphones - Universal - Edition Edition Bluetooth Headphones (White) Highlights Universal Edition Edition Bluetooth Headphones (White) Edition Edition Bluetooth Headphones (White) Product is shipped based on the color or size of the the main image of the product page. Chef Smart Edition Bluetooth (white) Product is shipped according to color or size of the main product page image. Frequency Range: 20 - 20000 HZ PRICE TYPE: Line Type Line length: 1 ,5mactive Noise-Annunon: No Desensitit: 1102DB1, Using 57mm16 large drive unit, Turbine Cavity Technology, Shocking Bass, three-band transparent clear, transparent, largeRestore true color2, Bluetooth 4.1 Subverts Industry Standards3, Turbine Structure Design , Redefining personality and fashion4, Line lovers share the touch of music5, 40 hours listening to songs, 45 hours talk time, 1625 hours standby6, The world's first App-Conds of Bluetooth headset controlled7, The design of the Stretching metal rotating folding makes the helmet more wearable and firm