Samsung Level Link Wireless Bluetooth Send / Receive Adapter-Retail Packaging (Discontinued by Manufacturer) The Samsung Level Link is a portable Bluetooth enabler that extends wireless freedom to any audio device with 3.5 mm audio compatibility. Connect you headphones, ear buds, TVs, home and car stereo systems or other wired audio device into the Level Link and turn them into Bluetooth wireless devices. Connect your wired audio device and transmit to up to two Bluetooth headsets (most wireless adapters can only pair with a single headset) Ultra small and two unique wearing options to choose from: a built-in clip and a trendy necklace style. Talk/Play/Standby Time - 6/6/200 hours