Bluetooth 5.0 Audio Receiver 3.5mm Aux Wireless Stereo Music Adapter For Car TV Headphone Speaker Handsfree Noise Cancellation Features: Support Microphone:Handsfree call when you are busying Wirelessly streams audio from your Mobile phone/PC/Tablet to your wired headphones(or wired earphone) or speakers or car stereo. The Bluetooth 5.0 Audio Receiver is smaller and lighter, but has got powerful wireless audio streaming capabilities. Slip this receiver into your backpack or laptop Bag and take it on-the-go without the slightest effort. Charging: Use the DC-5V charger and micro usb charging cable. The red light is on during charging. When the battery is fully charged, the blue light is on. Package: 1x Bluetooth 5.0 Audio Receiver Adapter 1x Micro USB Power Cable 1x 3.5mm Aux Cable 1x User Manual