Avantree Clipper Pro aptX Low Latency Bluetooth 4.2 Receiver Adapter for Speakers, Wired Headphones, Voice Prompt, 3.5mm Wireless Audio Receiver for Handsfree Call and Music [Upgrade Version] MAKES ANY HEADPHONES WIRELESS: Enjoy music at hi-fi sound quality with this audio music receiver, which Bluetooth enables your home speaker system. LATEST aptX LOW-LATENCY TECHNOLOGY: Have an advanced audio experience with a minimum audio delay 3240ms (thats undetectable to the human ear!), thanks to this aptX low-latency supported Bluetooth transmitter. DUAL LINK - SHARE MUSIC / TV SHOWS: You can share films, games or late-night TV shows with friends or families, without bothering others, by using the included 3.5 mm audio Y splitter and 2 sets of wired ear buds or headphones. BATTERY LIFE & USABLE WHEN CHARGING: 6 hours of music time not enough? No problem! You can use this aptX Bluetooth receiver with your headphones even when its charging. (Note: Clipper pro's operation time is up to 6 hours, but it may vary on different usage styles, settings and operating environment. When works with Apple ear-buds, Clipper Pro works up to 6 hours for 60% volume (the volume most people choose), 4 hours for 80% volume.) MUSIC & CALL, UNIVERSAL COMPATIBLE: Wirelessly stream music and take calls from most Bluetooth-enabled smartphones when on the go, with the Clipper Pros built-in microphone.