Specifications Name Bluetooth Audio Receiver TransmitterBluetooth Version 5 4Transmission Distance Up to 33 feet 10 meters Battery Capacity 200mAhPlayback Time Up to 6 hoursCharging Time 2 hoursAudio Input 3 5mm AUXTF Card Support Maximum 64GB formats MP3 WMA APE WAV FLACDimensions 60mm x 25mm x 10mmFeatures Versatile 2 in 1 Functionality Experience seamless audio streaming with our 2 in 1 adapter Easily switch between transmitting audio from your TV PC or other devices to Bluetooth headphones or speakers and receiving audio from your smartphone or tablet to play through wired speakers Enjoy full control over your entertainment options without hassle Advanced Bluetooth 5 4 Technology Equipped with the latest Bluetooth 5 4 version this adapter ensures high quality audio transmission with minimal latency Whether you re listening to music watching movies or playing games expect clear immersive sound without any interruptions Convenient TF Card Player Integrated TF card slot supports cards up to 64GB and various formats including MP3 WMA APE WAV and FLAC Simply insert your TF card to access and play your favorite music directly making it a perfect standalone music player Long lasting Battery Life The built in 200mAh battery provides up to 6 hours of continuous playback on a full charge Ideal for parties gatherings or extended listening sessions ensuring you stay entertained without frequent recharging Wide Device Compatibility Design