KOKKIA iTRANSCEIVER : iAdapter aptX Bluetooth Stereo Transceiver, UNIVERSAL Bluetooth Transceiver, Transmitter AND Receiver. Works with iPods/iPhones/iPads, Music Devices with 3.5 mm audio output. Dual Function aptX Enhanced Data Rate (EDR) Bluetooth Stereo Transmitter AND Bluetooth Stereo Receiver, with A2DP and AVRCP profiles. iAdapter attaches to your music/audio devices through the UNIVERSAL non-proprietary 3.5mm audio socket, and well designed to accommodate your music/audio devices protective casing. All in one extremely tiny size and light-weight package at 10mm X 15mm X 45mm and 0.3 oz (0.39" X 0.59" X 1.77" and 8.5g) with high performance and unique features. NO other Bluetooth Stereo Transceiver device comes even close to this size or weight or features. Built-in re-chargeable battery. Operational while charging for continuous play. iAdapter can be placed in power on/off mode to turn on/off with the power to your Home Theatre system and re-connect to last paired device. While iAdapter is attached to your music/audio device, you can concurrently charge your music/audio device if desired. Transmits/Receives in high fidelity aptX when the corresponding Receiver/Transmitter supports aptX, or standard Bluetooth SBC when corresponding device does not support aptX. Implements AVRCP Remote controls for Next/Pevious/Play/Pause for BOTH iAdapter Transmitter and Receiver modes. Transmitter AVRCP works with iPods/iPhones/iPads that support remote control commands through the 3.5mm audio socket, and most smartphones/devices that support remote control commands through 3.5mm audio socket. Firm attachment (no unwieldy dangling cord), tiny size, elegant design, features and performance makes iAdapter an incredibly awesome mate to your iPods/iPhones/iPads, Android/Windows/Samsung SmartPhones/Tablets, Music Devices, Home Theatre system, etc.