1: Bluetooth 5.0, fast connection, stable signal, compatible with all Bluetooth devices 2: Supports USB flash drive plug and play 3: FM receiver allows you to freely listen to the radio 4: Call function, noise reduction microphone allows you to answer calls without answering your phone 5: function, 360 ° stereo, specially designed function, providing full room stereo and 3D stereo surround sound sound. Product name: Dual speaker Bluetooth speaker Bluetooth specification: Bluetooth 5.0 Transmission distance: 10M Horn specification: 45mm * 2 4 Ω 3 W * 2 Amplifier specification: 3W * 2 Due to different product batches, the appearance , which does not affect the use Colour:Black Material:plastic+Metal Package Contents: 1 x Bluetooth Speakers 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.