General description Using Bluetooth 5.3 chip design, this 3 in 1 Wireless Audio Adapter offers stronger compatibility and stability. It features Bluetooth Receiving (RX), Bluetooth Transmitting (TX), and FM Transmitting capabilities, making it a versatile audio solution for various devices. Technical specifications Bluetooth Version: V5.3 Battery Capacity: 300mAh Working Range: 10m (without any obstacles) Charging Time: 1-2 hours Music Time: 8-10 hours Standby Time: 90 days Support Protocol: A2DP/AVRCP/HFP Audio Interface: 3.5mm AUX Stereo Colour: White Material: Plastic Compatibility and accessories Receiver Mode: Compatible with Car Kit, Wired Speaker, Home Speaker, Speaker Power Amplifier, Headphones Transmitter Mode: Compatible with TV, PC, Projector, Power Amplifier, TV Box, Bluetooth Headphones, Earphones, Bluetooth Speakers FM Transmitter Mode: Designed for Car Kit with built-in microphone for HD hands-free calling Usage Equipped with a high-definition LED digital display, the