Ounfhtrttk Under Pillow Speaker Bone Conduction Wireless Bluetooth 5.4 Stereo Small Speakers 300mAh Battery for Smartphone

BLUETOOTH VERSION 5.3: Portable pillow speaker uses bluetooth version 5.3 for stable and clear sound. Built in advanced rechargeable lithium battery that can work for more than 10h and recharge time is only 2h. BONE CONDUCTION TECHNOLOGY: bone conduction pillow speaker uses the latest bone conduction technology to deliver sound to your ears through your pillow in a vibrating, compact and portable way. TIMER FUNCTION: Bone conduction speaker has a timer function, double click the volume plus to automatically timer off after 60min and double click the volume minus to automatically timer off after 30 min. SOFT WHISPERING SOUND: Bluetooth pillow speaker is a soft that helps relieve stress and helps you fall asleep faster. The size and low volume design is best suited for side sleepers. DEEP SLEEP: Bluetooth sleeping speaker is designed to relieve stress and help deep sleep. Provides great help for adults and babies to fall asleep and the trouble of insomnia.