Features: 1. BT90-5.3 Bluetooth adapter is a new Bluetooth audio transmitter product introduced in the market with USB 2.0 interface. It can cope with the interactive transmission of audio data of many devices on the market. 2. Drive-free design, more convenient to use. Plug and play, No driver installation needed 3. Compliant with Bluetooth 5.3 specification, backward compatible with Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0, Bluetooth 4.0, Bluetooth 4.2, Bluetooth 5.0, Bluetooth 5.1, Bluetooth 5.2 specification. Transmission distance 10-20 meters, stable and strong signal. 4. One tow two design, you can connect two Bluetooth headphones to listen to music at the same time. 5. More stable transmission rate: 3Mbps transmission rate, providing high-speed audio data transmission. 6. Ultra-low latency speed link, intelligent sleep wake-up energy saving, adaptive frequency hopping to reduce crosstalk. 7. USB 2.0 interface is more versatile, ultra-miniature body portable 8. Compatible with computers (Windows 7/8/10/11/Mac OS Apple system), PS4/PS5/Switch game consoles and other devices connected to Bluetooth headset, Bluetooth speaker. Specifications: Name: USB Bluetooth 5.3 Transmitter Transmit power: and6DBM(Class II) Emission frequency: 2.402Ghz-2.480Ghz Receiving sensitivity: -93dBm GFSK transmission speed: 1MKB/S Bluetooth-compatilble standard: V5.3 (BR/EDRandBLE) Support equipment: PCSwitchfor PS4 for PS4 Pro PS5 Driver: Drive free Product Features: Dual mode (BR/EDRandble) V5.3 Technology Transmision distance: 10-20m Compatible with Bluetooth-compatilble: V5.0/V4.0/V3.0/V2.1 support: A2DP, AVRCP, AAC, HFP, SCO, ESCO, USB expansion port: USB2.0 working voltage: 5VDC (MAX5.75V) Package includes: 1x USB Bluetooth 5.3 Transmitter Adapter 1x Munual 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. Sold by-dadangjia