<ul><li>Frequency response: 20 Hz to 20 kHz</li><li>Light-blocking design with soft, comfortable fit</li><li>adjustable headband with VELCRO closure for extended use</li><li>slim earphones for comfortable side sleeping</li><li>Bluetooth v5.2 allows straightforward wireless pairing of Bluetooth-enabled devices within 49 ft. range</li></ul><br><br>Maximize your relaxation with the comfort of the iLive Lights Out form-fitting sleep mask that doubles as Bluetooth headphone. The 2 speakers fit right over your ears so you can listen to your favorite music or podcast via Bluetooth as you settle in for some well-deserved rest. For particularly sleepless nights, listen to 1 of the preprogrammed white noise selections to drift off peacefully.

iLive IAHB33G Lights Out Bluetooth Sleep Mask Headphones with Speakerphone, Gray, IAHB33G