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

Multifunction Wireless Car MP3 Player. Support: USB or microSD card, car charging., answer phone calls during driving, FLAC.

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