TX-200 Dual wireless/USB charging station. Q1 compatible dual wireless charging station allows 2 devices to charge simultaneously by placing the device on one of the two provided charging rings no wires necessary.. Also has a USB port for wired charging for devices not compatible with Q1 wireless charging. whcih allows for 3 total devices to be charged simultaneously 2 wireless and 1 wired. Rubberized ring design to stable device. FCC CE and RoHS compliant. Q1 Compatible Devices: Google : Nexus4 Nexus5 Nexus7 II Nokia : Lumia 1520 Lumia 1020 Lumia 925 Lumia 920 Lumia 820 Lumia 720; Samsung: Galaxy S3 Galaxy S4 Galaxy Note II Galaxy Note III; Requires wireless receiver Motorola: MOTO X Droid 4; HTC: Windows Phone 8X Droid DNA; LG: Optimus G PRO.