HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Need more than 1? Get a bulk buy discount up to 20% off Features: Name: Usb (Call Version) Bluetooth Audio transmitter Weight: 50 Grams Material: Abs Support Protocol: A2dp Avrcp Hfp Bluetooth Version: V5.0 Working Frequency: 2.402Ghz -2.480Ghz Power Level: Power Level 2 (Class Ii) Audio Input Interface: Usb Audio Input Power Supply Mode: Usb 5V Power Supply Support Voice Call: Support Bluetooth Headset Or Needs To Have Call Function. During A Call It Can Support Ordinary Voice (8K Sampling Rate Cvsd Codec) Or Wbs (Wideband Voice: Support 16K Sampling Rate And Msbc Codec) Input Voltage: Usb Dc 5V Bluetooth Distance 8M (Unobstructed Place) Indicator Light: 1 Indicator The Light Flashes Quickly The Pairing Status The Light Flashes Slowly And The Device Is Successfully Connected. Button: Double-Click The Button To Search And Pair Again Compatible: Support Pc Use Support Switch Base Mode