UTTU Cervical Pillow for Neck Pain Relief, Memory Foam Neck Pillow for Sleeping, Contour Cooling Pillow for Side Sleeper, 20Hours Battery Life: The transmitter

20Hours Battery Life: The transmitter and receiver each offer up to 8 hours of battery life on a full charge and up to 20 hours using the case

and 21mm inserts separately

Automatic Gain Control (AGC) maintains stable sound volume even up to 10ft/3m away from the base

diameter of 12

Default 4K 30fps，HD 60fps

UTTU Cervical Pillow for Neck Pain Relief, Memory Foam Neck Pillow for Sleeping, Contour Cooling Pillow for Side Sleeper, 20Hours Battery Life: The transmitterADJUSTABLE FOR NECK PAIN RELIEF UTTU Pillow features unique adjustable lofts for varied types of sleepers. Originally with a 4. 7in of high contour and 3. 9in of low contour, taking out the middle layer youll get 3. 5in of high contour and 2. 8in of low contour. PRESSURE RELIEF Made with UTTU DYNAMIC FOAM, the premium exclusive memory foam, this Side Sleeper Pillow conforms to the natural curve of your body and supports your neck and head to ensure