Q5 2-in-1 Bluetooth 5.3 Audio Adapter with Audio Receiver/Transmitter, Car MP3 Player with Colorful Ambient Light Versatile Bluetooth 5.3 Adapter: The Q5 combines Bluetooth transmission (TX) and reception (RX) functionality, along with TF card MP3 playback, making it a multifunctional audio companion High-Performance Chip: Equipped with a JL chip, it delivers reliable and efficient Bluetooth performance for your audio needs Impressive Wireless Range: Enjoy a Bluetooth reception range of over 10 meters and FM transmission up to 2 meters, ensuring flexible audio connectivity Wide Compatibility: Suitable for use with computers, televisions, projectors (transmission mode), as well as speakers, headphones, and vehicles (reception mode) Long-Lasting Battery Life: With a 300mAh built-in battery and protective circuitry, it offers up to 6 hours of music playback and can be fully charged in about 2 hours Specifications: Chip: JL Bluetooth Version: 5.3V Bluetooth Transmit Power: 7dBm Output Impedance: 32 Frequency Response: 20-20KHz Signal-to-Noise Ratio: 90dB Microphone Sensitivity: -42dB Bluetooth Reception Effective Range: 10 meters FM Transmission Effective Range: 2 meters FM Transmission Frequency: 87.5-108.0MHz TF Card Playback: Supports up to 32GB (with automatic power-off memory function, card not included) Input: 5V/2.1A Battery: 300mAh Charging Time: about 2 hours Music Time: about 6 hours Package included: 1 x Bluetooth Audio Adapter 1 x English User Manual 1 x Charging Cable 1 x 3.5mm Audio Head Other items not included