Description: Bluetooth-compatible 5.1The bluetooth-compatible 5.1 technology ensures a stable connection, auto connect, delivers a faster wireless connection and smoother call performance within 10 meters. Support SBC high-definition audio decoding, restore music details. Hands-Free CallsBuilt-in noise-canceling microphone for accurate voice pickup, audio adapter can provide hands-free calls, support navigation broadcast, drive safer and makes long, boring car trips unnecessary. Coiled DesignThis aux USB bluetooth-compatible receiver cable is long enough, spring coil design, the length is about 30-120cm/11.81-47.24inch, elastic, stretchable, avoid cable knotting, more convenient to use. Durable DesignZinc alloy shell material, anti-interference, good heat dissipation, not hot, wear-resistant and durable, longer service life, metal interface, stable transmission. Small size, easy to use and carry. Easy UseInsert the USB power supply port and 3.5mm audio plug, turn on the bluetooth-compatible of the mobile phone, connect the adapter, and play music after the connection is successful. Specification: Material: Zinc Alloy Color: As shown Cable Length: About 30-120cm/11.81-47.24inch Input Interface: 3.5mm Bluetooth-compatible version: 5.1 Powered by: USB2.0 Frequency: 20z - 20z Package includes: 1pc x Audio Adapter Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.