Bluetooth Audio Receiver with Mic, Wireless 3.5mm AUX Adapter for Car and Headphones, Hands Calling

Compact Bluetooth audio receiver with amplifier and bass boost option designed to add wireless streaming and hands calling to headphones, car stereos, speakers, and home audio systems. Key benefits Adds Bluetooth streaming to any device with a 3.5mm audio input, turning older car stereos, headphones, and home speakers into wireless systems. Built in microphone and one button control let you switch quickly between music and phone calls for safe hands use. Portable aluminum housing and mini bullet design make it easy to carry and install without adding bulk. What it does Receives Bluetooth audio from phones, tablets, laptops, or Bluetooth transmitters and outputs to a 3.5mm AUX input. Includes an onboard amplifier and a selectable bass boost option to improve sound performance on non powered or compact speaker systems. Integrated noise cancelling chip and a sensitivity microphone provide clearer voice calls. Compatibility and applications Works with most Bluetooth enabled phones and devices supporting A2DP, AVRCP, HSP, and HFP. Ideal for older car stereos without Bluetooth, wired headphones or earbuds, portable speakers, PC sound systems, and home stereo units. Example use scenarios: Add wireless streaming to a car that only has an AUX input for safer drive time calls and music. Turn wired headphones or earbuds into Bluetooth headphones for phone calls and streaming. Connect to an older home stereo or bookshelf speakers to stream music from a tablet or phone. Design and portability Lightweight mini form factor and aluminum shell provide durable protection while remaining discreet. Weight: 0.55 oz. Bullet style housing fits easily into glove compartments, pockets, or headphone cases for travel. Controls and operation Single button control for power, pairing, play pause, and switching between music and calls. Charging via DC 5V input. Typical charging time up to 1.5 hours for about 5 hours of continuous use. Typical Bluetooth connection range up to 10 meters 30 feet. Care and basic notes If the unit will not power on initially, fully charge the battery before trying again. Avoid exposing the receiver to temperatures above 45 degrees C or prolonged direct sunlight to preserve battery life. Follow the specified input voltage when charging to avoid damage. Technical specifications Bluetooth version: V4.1 Supported profiles: A2DP, AVRCP, HSP, HFP Microphone: sensitivity, noise cancelling chip integrated Headphone jack: 3.5 mm Charging voltage: DC 5V Charging time: up to 1.5 hours Working time: approximately 5 hours Connection range: 10 m 30 ft Material: aluminum casing Weight: 0.55 oz This receiver provides a simple, portable way to add wireless audio and hands calling to a wide range of audio equipment while offering improved sound control through its amplifier and bass boost option.