This listing is for the black variant of this product. Your parcel will also be fully insured and trackableneed more than 1 choose the number of sets in the dropdown to receive a bulk buy discounts up to 20 offb9 is a 2 in 1 bt transmitter and receiver. As a bt audio transmitter, it can be connected to the audio devices without bt function via the included 3.5mm audio plug, changing these audio devices into bt-enabled audio devices, and making it work with bt-enabled headset and speaker. As a bt audio receiver, b9 can change the traditional car stereo systems and home audio system into bt-enabled ones, and easy to pair with bt-enabled smartphones, laptops, tablets, etc. With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables. This 2 in 1 bt transmitter and receiver will give you much fun and convenience.featuresreceiver modechange the wired headphone, the traditional car stereo or home audio system into bt-enabled ones. After paired, play music from your bt-enabled smart phones, laptop, tablet and more.transmitter modeb9 can be connected to the audio devices such as mp3, mp4, tv and pc, etc. Without bt function, changing them into bt-enabled ones, and making it work with bt-enabled headset and speaker.strong compatibilitycompatible with android and ios smart phones and tablet pc, almost all bt-enabled audio devices, and stereo system with 3.5mm port. Real-time low latency and high-quality audio transmission.low power consumptionbuilt-in 300mah li-polymer battery ensures 8-12 hours working time, you can enjoy wireless free all day long. Easy connection, no driver needed, plug and play.fast connectionbuilt-in enhanced signal transmission circuit, the connection is