Bluetooth Audio Receiver 4.1 for Car and Home Stereo, Hands Calling, Bass Boost, Aluminum AUX Adapter

Aluminum Mini Bluetooth 4.1 Receiver with Amplifier and Bass Boost Option (Black) Turn any device with a 3.5 mm audio input into a wireless sound source. This compact Bluetooth receiver adds hands calling, wireless music streaming, and bass boost to car stereos, headphones, speakers, home systems, and PCs. Key benefits Add Bluetooth to nonBluetooth equipment quickly and easily using the 3.5 mm AUX jack. Enjoy hands calling with a sensitivity builtin microphone and noise cancelling chip for clearer voice pickup. Improve sound with a builtin amplifier and optional bass boost for richer low end. Small, durable aluminum housing and lightweight 0.55 oz design make it easy to carry and fit in tight spaces. Core features and specifications Bluetooth version: 4.1 for stable and efficient wireless connections Audio profiles supported: A2DP, AVRCP, HSP, HFP Headphone jack: 3.5 mm AUX output for universal compatibility Connection range: up to 10 m 30 ft Battery and power: charging voltage DC 5V, charging time up to 1.5 hours, working time up to 5 hours Builtin microphone with noise cancelling chip for improved call quality Compact bulletstyle aluminum design in black; weight 0.55 oz Onebutton control for easy switching between music and phone Why this receiver solves common problems Gives older car stereos, wired speakers, and wired headphones a wireless connection without replacing equipment Eliminates tangled cables when streaming from phones, tablets, or laptops Lets you keep hands on the wheel by answering calls through the stereo or headset with onebutton control Provides a simple plugandplay solution with universal 3.5 mm compatibility Typical use scenarios In the car: Plug into the AUX input to stream music and handle calls from a smartphone through the vehicle stereo. At home: Connect to a bookshelf or vintage home stereo to play wireless audio from a tablet, laptop, or phone. On the go: Use with wired headphones or portable speakers to make them Bluetooth compatible while preserving sound quality and adding bass boost. Simple usage notes If the unit does not power on initially, charge fully before retrying. Avoid exposure to temperatures above 45C or direct sunlight to protect battery life. Use the specified DC 5V charging input to prevent damage. This Bluetooth receiver is a compact, versatile way to upgrade wired audio equipment to wireless use while adding hands calling and enhanced bass.