・Enjoy Wireless Streaming Music:This Bluetooth-compatible adapter can be connected to non-Bluetooth-compatible car audio systems,home stereos,speakers,and headphones via the 3.5mm AUX adapter ・Stable Connection:Equipped with a Bluetooth-compatible 5.4 chip for stable connection and fast transmission. Just pair it with your phone and start listening to your favorite music ・Long Battery Life:Built-in 300mAh rechargeable battery,easy to charge with the data cable,supports charging while using,bringing more fun ・Easy to Store & Carry:It fits easily in your backpack or laptop case,making it easy to carry around Specification: ・Bluetooth-compatible version:5.4 ・Transmission Distance:Open area up to 10 meters long ・Charging Interface:Type-C ・Basic Function:Wireless audio reception/transmission ・Battery capacity:300mAh Package included: ・1 x Bluetooth-compatible Transmitter Receiver ・1 x Charging Cable ・1 x 3.5mm Audio Adapter ・1 x English User Manual ・Other things not included