Product detailsWirele Bluetooth 5.0 Receiver nsmitter Adapter 3 in 1 USB Adapter Audio Receiver Bluetooth Car Charger Car Aux for E91 E92Specification:Dimensions :5.00*2.00*0.50cmBlue tooth v3+EDR, Cla 2Support A2DP V1.2 (built in Mic)Powered by USB 5V DCnsmiion Rate:3(Mbps)Built-in microphonensmiion distances of up to 10MSleep mode for energy savingSupport Blue tooth hands-free functionUp to 2 hours music playback or continuousWirele music receiver connects to 3.5mm headphone sUse with home speakers, car,headphones etc.Package Included:1/2 x USB AdapterNote:1.Please refer to measurement. Slight measurement errors are allowed within the normal range.2.There may be a slight color difference due to the monitor, camera or other factors, please refer to the actual product.3.If you are satisfied with the product, please leave us a 5-star praise, contact us if you have any questions.4.Follow the store, you can receive fan special coupons, come to follow the store!