1,High‑quality Bluetooth 0 smart chip with lower power consumption, better sound quality, and more stable transmission. 2,After the adapter is connected to devices, the signal transmission range can be up to 10 meters, allowing you to better enjoy the music. 3,High-quality materials with gold-plated interface treatment, so it's not afraid of oxidation, further enhance the sound quality. 4,The device supports high-definition audio decoding, and can clearly restore music details, bringing you a better experience. 5,Fine workmanship is one of its advantages. The precise USB interface and pins ensure a stable connection when the device is in use. 1 x Adapter1 x Manual Item Type: USB Bluetooth AdapterProduct Model: C11Material: ABSBluetooth Version: 5.0Input Voltage: DC 5VTransmission Distance: ≤10mOutput Interface: 3.5mm Audio Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.