Features: brand new and high quality Two devices can be connected at the same for time. Adopts advanced bluetooth-compatible 5.0 module, with high-quality sound effect, built-in noise reduction. Plug and for play without driving. No built-in battery, external power supply. Adaptation equipment: switch/pc computer/ps game consoles Specifications: Bluetooth-compatible profile: A2DP Bluetooth-compatible: V5.0 Transmission Distance: 10m / 33ft Connected Device: Bluetooth-compatible Headset/Bluetooth-compatible Speaker Appearance Material: Abs + Metal Gold-plated Interface Charging: USB 5V/1A Audio Port: optical port Product Size: About 79x25x17mm/3.11x0.98x0.66in Product Net Weight: 5g Transmission Mode: Optical Fiber/Usb Package Includes: Package includes: 1 X Bluetooth-compatible Transmitter 1 X optical Cable 1 X User Manual 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.