Q6 Portable Mini 2-in-1 Bluetooth 5.3 MP3 Player Car Audio Adapter Support Receiver/Transmitter ?Versatile Functionality: The Q6 offers Bluetooth transmission (TX), Bluetooth reception (RX), and TF card playback in one compact device ?Advanced Bluetooth Technology: Powered by Bluetooth version 5.3V, ensuring reliable connectivity and performance ?Wide Compatibility: Perfect for use with computers, televisions, projectors (in transmission mode), as well as speakers, headphones, and vehicles (in reception mode) ?Additional AUX Interface: Featuring an AUX input for added versatility in connecting various devices ?Long-Lasting Battery: Equipped with a 300mAh built-in battery with protective circuitry, providing up to 6 hours of playback time on a single charge Specifications: ?Chip: JL ?Bluetooth Transmit Power: 7dBm ?Output Impedance: 32|? ?Frequency Response: 20-20KHz ?Signal-to-Noise Ratio: 90dB ?Microphone Sensitivity: -42dB ?Bluetooth Reception Effective Range: ?Y10 meters ?FM Transmission Effective Range: ?Y2 meters ?FM Transmission Frequency: 87.5-108.0MHz ?TF Card Playback: Supports a maximum of 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 ?Other items not included