Bone Conduction Portable bluetooth Sleeping Speaker with LED Display Built-in 10 Natural Sounds White Noise TF Card MusiSpecification Product Name Bone Conduction bluetooth Sleeping Speaker Charging Voltage 5V 300mABattery Capacity 300mAhbluetooth Version 5 4bluetooth Range 10 metersPlayback Duration Approx 8 hoursCharging Time Approx 2 hoursWeight Approx 47 5gCharging Interface Type CTF Card Support Maximum 128GBFeatures 1 Bone Conduction Technology Sound waves are transmitted directly to the auditory nerves through the pillow without disturbing others 2 Built in White Noise Includes 10 natural sounds waves rain forest birds frogs lullabies and more for improved sleep quality 3 bluetooth 5 4 Connectivity Fast pairing with low latency stable sound transmission and compatibility with … $15.99Banggood.comDelivery: to Redlands ReportBuy!