True Bluetooth-Compatible 5.4 chip for anti-interference and long-distance dual upgrade.Plug and play - no driver required, working status indicated by a clear blue light.HiFi lossless transmission for three-dimensional, delicate, and pure sound quality.Connect up to 7 devices simultaneously for seamless multi-device usage.Enjoy high-quality, clear sound with easy setup and reliable performance. Introducing our True adapter, designed with the latest 5.4 chip for enhanced compatibility and anti-interference technology. With long-distance dual upgrade, this adapter offers seamless connectivity without the need for any drivers - simply plug and play. The clear working status is indicated by a constant blue light, ensuring you're always in the know. Enjoy HiFi lossless transmission for a three-dimensional, delicate, and pure sound quality. Connect up to 7 devices simultaneously for ultimate convenience. Experience the freedom of wireless connectivity with our True adapter. Item Name: Adapter Material: Metal, ABS Bluetooth-Compatible Version: 5.4 (BLE Low Power Consumption, Low Latency)Transmission Distance: 20 Meters (barrier-free Environment)Supported Protocols: A2DP, HSP, AVRCP, HID, ACC, Etc.Working Temperature: -20 to 70℃Features: Anti-interference, Plug Play, Low Latency Size Details: L: 2.5cm/0.98", W: 1.7cm/0.67", H: 0.8cm/0.31" (Approx.) Notes: 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. Package Includes: 1 x Adapter1 x User Manual