Wireless Bluetooth Car Receiver 4.0 Adapter 3.5mm, Trendy G

Dimensions :5.00*2.00*0.50cm Bluetooth v3+EDR, Class 2 Support A2DP V1.2 (built in Mic) Powered by USB 5V DC Transmission Rate:3(Mbps) Built-in microphone Transmission distances of up to 10M Sleep mode for energy saving Support Bluetooth hands-free function Up to 2 hours music playback or continuous Wireless music receiver connects to 3.5mm headphone jacks Use with home speakers, car,headphones etc. How to Use: 1. Power on/off Power on: Press and hold the ON/OFF button for 5-7 seconds until you hear a “ready for connecting or a sound”, it will auto connect the phone which was paired. Power off: Press and hold the ON/OFF button for 4-5 seconds until you hear a “Long be or red led”.