Features: 2IN 1 Bluetooth-compatible audio adapter,plug-play one click easy switching.Drive-free Adopt Bluetooth-compatible 5.2 chip; support wireless reception transmission RX- Mode:1. Output audio to speakers- via audio cable 2.Output audio to speaker via USB cable TX-Mode:1.Input audio to the adapter through the audio cable, and then transmit audio to the Bluetooth-compatible headset or speaker 2.Input audio to the adapter via USB,and then transmit audio to Bluetooth-compatible headphones or speakers- Low power consumption and high rate stable signal transmission Specifications: Model: M27 Interface: 3.5mm, USB Bluetooth-compatible Version:V5.2 Size:As Pictures Bluetooth-compatible Transmission Distance:approx 10Meters/32.8ft Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC USB Receiver 1PC Type-C Charging Cable 1PC Audio Cable