Built-in Microphone, Hands-Free Calling while Driving: Answer or hang up incoming calls even when behind the wheel with the multifunction button and mic in RX mode. 2-in-1 Bluetooth Transmitter and Receiver: Connects via 3.5mm or RCA and streams audio to your Bluetooth headphones or speakers in TX mode; receives audio from smartphones, computers, or iPads and tablets when set in RX mode. Wider Range for Spacious Environments: Wireless Adapter transmits audio to your Bluetooth devices from up to 65ft / 20m for unconfined wireless freedom - double the distance as similar devices.

Amplify your listening experience by wirelessly connecting more than 100 HK Connect+ enabled speakers. The rechargeable battery supports up to 8 hours of playtime Stream music wirelessly via Bluetooth to enjoy room-filling sound. Connect up to 2 smart devices at the same time and take turns playing music.