Wireless Bluetooth Audio Receiver Adapter 4.1 Bluetooth Handsfree Car Kit 3.5mm Jack Aux Car Music Kit for Home Car Stereo System Description: With pure sound output and exquisite special appearance, this BK-07 Bluetooth Audio Receiver can change your car/home speaker to Bluetooth ones, so you can enjoy pure, clear ,wireless music and answer the call in hand-free mode, making your driving safer and more convenient. With an 3.5mm Jack to Jack Connector ,it can be plugged into a speaker, an earphone, headset, or any other audio device, making wireless music available at once. Furthermore, BK-07 Bluetooth Audio Receiver is able to pair with 2 Bluetooth devices at a time ,which makes it more powerful. Features: 1.Portable and handy, exquisite special design 2.Pure sound output, a feast for the ears 3.Short /long press a button to answer/cancel a phone call, easy to use 4.Automatic memory connected function, double click to dial the last phone call 5.Support two Bluetooth devices connecting at a time, switching alternately 6. WIDE COMPATIBILITY - This bluetooth receiver is ideal for turning wired stereos and headphones into a Bluetooth-equipped system to receive signals from most audio output devices like Android Smartphone's, iPhone ,Blackberry,HTC,LG,SONY,Tablets, MP3 Players & More. Specification: Type: Bluetooth Audio Receiver Color: Black Bluetooth Version: V4.1 Supported by Bluetooth protocol: A2DP and AVRCP,AVDTP, HFP, HSP Valid Distance: 10-meter Frequency Range: 2.4GHz Battery:Built-in Li-ion battery Working Hours: 4 Hours Charging Time: 30min Output:3.5mm audio jack Item Size:9.8*1.5*1.5cm / 3.9*0.6*0.6" Net Weight: 0.016kg / 0.56oz Package Included: 1*Bluetooth Receiver 1*Audio AUX Stick 1*Charging Cable 1*English User Manual Picture Show SHIPPING 1. Shipping cost: Click “Shipping and payment” tab on the product detail page, and you will see the delivery details. You can calculate shipping cost by inputting the required information. 2. Time in tran