Drift into deep relaxation with the iLive(TM) Lights Out Wireless Sleep Mask Headphones. This light-blocking mask features Bluetooth 5.2, built-in slim speakers, and 10 calming nature sounds for restful sleep-even for side sleepers. Soft, adjustable, and washable with removable parts for easy care. Includes carry pouch and charging cable. Range: up to 49' Works with Siri and Google Assist. Complies with CPSIA, Prop 65. 4.13" W x 0.98" H x 17.13" L