Wireless Bluetooth connection, common to all devices, one-click connection to various games and APPs, easy to operate. Voice and phone calls do not interfere with each other, and the functions are simple and easy to use; three-button design; the sound quality is extremely upgraded, and the treble is clear and full Built-in somatosensory sound unit, breaking the threshold of traditional technology, fully enclosed somatosensory speaker design 360 surround, clear sound layers, strong sense of space, and immersive listening. Built-in lithium battery, super long use time, charging for 3.5 hours, continuous playback for more than 8 hours Colour:grey Material:Memory Foam Size: 27 x 27 x 10cm Package Contents: 1 x pillow 1 x data 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.