This product is a wireless audio adapter. It is made of materials. It is safe and durable. It can serve you for a long time without being easily . It is an excellent wireless audio adapter that can bring you convenience, allowing you to have comfortable experience. Features -Color: Black -Material: plastic -Size: 6.50X4.50X2.10cm/2.55X1.77X0.83in - Transmitter mode: stream audio from non-wireless device wireless enabled devices. - Receiving mode: streams audio from wireless enabled phone, tablet or computer to your stereo, speaker or headphone wirelessly. - With multifunctional key, it phone call, pause or play your music. - Comes with 3.5mm and RCA ports to provide more versatility during use. - Extremely portable, lightweight, small in size, but has a powerful wireless audio streaming function. Package list: 1 x Audio Adapter 1 x Micro USB Power Cable 1 x 3.5mm to RCA Cable 1 x 3.5mm to 3.5mm Cable 1 x User Manual