In-ear Earphones - Universal - Earpiece of residential handset receivers anti-respect retro cordless handset. Highlights Universal Earpiece residential handset receivers anti-respect retro cordless handset. Retro wireless handset anti-respect residential handset receivers earpiece. The product is shipped based on the color or size of the main product page image. Radiation retro riditines handsets receivers earphone for mobile phone -Comfortable call.--Bluetooth or 3.5mm plug provided.Handset operation: for mobile phone, for bar Internet, Common Headset, For iPodSupport App: NoConnectors: 3.5MMSupport APT-X: NOFREQUENCY Response Range: 20-25000hzSupport Memory Card: Novocalism Principle: Hybrid Technologyis Wireless: YesResistance: 9Plug Type: Line Typesensitivity: Hybrid Technologyis Wireless: YesResistance: 9Plug Type :Line TypeSensitivity:123DBVolume Control:Yesactive Noise Cancellation:Yeswaterproof:Nocontrol Button:Yes Microphone:Yes Communication:Wireless+WiredWireless