Bluetooth Audio Receiver - Headphone Adapter For Android and iPhone

This awesome adapter lets you re-add the missing 3.5mm headphone jack back to your Andriod or iPhone that doesn't have one. It does this by connecting to your devices Bluetooth wireless and then letting you plug head phones into this adapter. This adapter has its own built in battery, but can also be powered and charged off of the micro USB port. It can be plugged into power while running. This also lets you add Bluetooth functionality to your old speaker set or other audio device that doesn't currently support Bluetooth. Specification Details Output Power 3 W Operating Voltage 3.7 V Internal Battery – 5 V USB Bluetooth Version 5.0 Supported Profiles A2DP, AVRCP, AVCTP, AVDTP, HFP Signal-to-Noise Ratio 90 dB Total Harmonic Distortion + Noise –70 dB Distortion-to-Noise Ratio (DNR) 91 dB Crosstalk –86 dB Operating Range > 15 m Physical Size 30 × 30 mm (PCB) Audio Interface 3.5 mm stereo output Power Interfaces Micro-USB (5 V) Indicator LED Bluetooth/pairing status light   This Bluetooth Audio Receiver Module strikes the ideal balance between performance and simplicity — delivering clean 3 W sound, reliable BT‑5 connectivity, and flexible voltage support in a compact package. Whether building custom audio gear or modernizing legacy devices, it’s engineered for seamless integration and superior audio clarity. Included is: Bluetooth receiver, micro USB cable, and a male-to-male 3.5mm adapter.