【2-in-1 Transmitter and Receiver】This Bluetooth adapter comes with 2 modes which can be used as a Aux Bluetooth receiver (RX Mode) for Non-Bluetooth devices such as car, speaker, headphone, etc. It also can be used as a Bluetooth audio transmitter (TX Mode) for TV, PC, computer, ipod classic, etc. Plug & Play, Easy to switch, More convenient for daily use. | 【Dual Link & Memory Function】Soomfon Bluetooth transmitter 3.5mm can be paired with 2 different devices at the same time in TX mode and RX mode. And it will automatically re-connect the last connected devices when you turn it on. The cover range is 10m. | 【Bluetooth 5.0 & Stable Connection】This aux bluetooth adapter with latest Bluetooth 5.0 which ensures a stable connection and crystal clear HD sound. Cover range is 10m, brings you a smooth experience of gaming and watching. | 【Hands-Free Calling】Built-in microphone for answering calls, the multifunction button on this car bluetooth aux adapter can let you Answer / Redial / Hang up / Reject calls. This aux to bluetooth adapter also supports broadcasting voice notification from existed navigation App. More safer and convenient when driving. | 【Long Battery Life】Built-in powerful 250mAh battery, playtime is up to 18Hrs in TX mode, and 16Hrs in RX mode. Only 1.5Hrs to fully charge this Bluetooth aux adapter car. | 【What You Get & Warranty】Bluetooth Transmitter Receiver x 1, 3.5mm Audio Cable x 1, USB Charging Cable x 1, User Manual x 1. We promised 18 months product warranty and lifetime technical support. Also offer 7*24 hours support, please feel free to contact us.