Features: Versatile BT Audio Receiver: This BT audio receiver is designed to add wireless functionality to your wired headphones, speakers, or car stereo. With three modes to choose from (BT mode, TF card mode, and FM radio mode), it provides a seamless switching experience for different audio sources. Convenient TF Card Mode: Simply plug in a TF card and enjoys your favorite musics on the go. Supporting up to 32GB of memory, this receiver also functions as a card reader when connected to a computer, allowing you to easily access files stored on the card. Longlasting Battery: Equipped with a builtin 800mAh highcapacity battery, this receiver consumes low power and offers up to 30 hours of continuous playback. The TypeC universal interface ensures quick charging speed, so you can quickly get back to listening to musics. Multifunctional Digital Display: The userfriendly digital display screen shows essential information such as volumes, battery level, TF card status, FM frequency, and selected mode at a glance. The automatically changing color lights create a vibrant atmospheres while using the receiver. Portable and Secure Design: With its compact and lightweight clipon design, it can be easily attached to your clothes, ensuring it stays securely in place. Its small size makes it highly portable, perfect for use while exercising, traveling, or simply on the go. Specifications: Color: Black Material: ABS BT Version: V5.4 BT Transmission Distance: 1015 Meters Frequency Response Ranges: 20Hz20kHz FM Frequency: 87.5108.5MHz Input Voltage: 5V Charging Current: 200300mA Battery: Builtin 800mAh Lithium Battery Interface: 3.5mm Audio Interface Item Size: 70 * 40 * 25mm 2.8 * 1.6 * 1.0in Item Weight: 38g 1.3oz Package Size: 120 * 90 * 35mm 4.7 * 3.5 * 1.4in Package Weight: 85g 3.0oz Packing List: 1 * BT Receiver 1 * 3.5mm Audio Cable 1 * TypeC Cable 1 * User"s Manual