KOKKIA iTRANSMITTER (white): Tiny UNIVERSAL iAdapter aptX Bluetooth Stereo Transmitter. Works with ALL iPods/iPhones/iPads, Android/Windows SmartPhones,PCs/Macs, All Devices with 3.5mm audio sockets. aptX Enhanced Data Rate (EDR) Bluetooth Stereo Transmitter, 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. 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 Transmitter device with re-chargeable battery 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. iAdapter transmits in high fidelity aptX when the corresponding Receiver supports aptX, or standard Bluetooth SBC when corresponding device does not support aptX. Implements AVRCP Remote controls for Next/Pevious/Play/Pause. iAdapter 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 the 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.