Bluetooth Receiver 4.1 Wireless Audio Receiver 3.5 mm Headphone Adapter With Hands-Free Calling And Aux Port For Earphones Home Car Stereo Speakers; Turn on, Connect Bluetooth devices, receive mobile or other Bluetooth devices audio signal with one press.; Portable Design: Mini size with clip; Can Connect Two Bluetooth Devices At The Same Time; Built-in rechargeable lithium battery, provides up to 4 hours working time, plug and play, and only takes 50 minutes to fully charge it; Amazing Acoustics, Crisp Clear Sound

Stereo bluetooth and handsfree, remote, audio line (optional), micro SD card slot, mobile phone charging

Material: ABS, Bluetooth version: 5.3, Input voltage: DC 12-24V, Output voltage: USB-A: 5V/3.1A; USB-C: 5V/3.1A, Total output voltage: 5V/3.1A, FM frequency: 87.5-108 MHz, Transmission range: 5-10 m

USB-C, USB-A, Maximum power: 30W, Maximal current: 3A, Fast charging standard: PD (Power Delivery), FM transmitter

USB-C, USB-A, Maximum power: 15W, Maximal current: 3A, Fast charging standard: PD (Power Delivery), FM transmitter

Wireless Adapter / USB-A to USB-C Adapter, Enables wireless Apple CarPlay and Android Auto, Plug & Play operation – no installation, apps, or configuration required, Mini, discreet design that stays hidden once connected, Dual wireless connectivity: Bluetooth 5.0 + Wi-Fi (2.4 GHz), USB-A and USB-C interface compatibility with car multimedia systems, Stable and smooth performance for navigation, media, calls, and voice commands, Power supply: USB 5V, Durable aluminum alloy housing