Bluetooth 5.0 Wireless 3D Sleep Mask Headband Sleep Soft Earphones Sleeping Eye Massager Music Headset Headphone

Features 3D ergonomic design effectively blocks out all annoying light to help you fall asleep quickly for a blissful sleep and wake up refreshed bluetooth 5 0 chip can be connected to your mobile phone to enjoy the music Built in microphone for your to answer the phone call Comfortable material more breathable Elastic band and adhensive fasteners fits most of people Specifications Materialmemory sponge fillingBluetoothbluetooth V 5 0Frequency20HZ 20KHZCharging voltage 3 7 4 2VSensitivity88DMSignal to noise ratio90dbSpeaker impedance32Ω±15 Speaker diameter30mmOperation range10mCharging time2HUsing time10H Depend on the volume Battery200mah rechargeable lithium batteryCharging PortMicro USBUnfolding Size45x12cm 17 72 x4 72 Package Included 1 x Eye Mask1 x Charging Cable1 x User Manual1 x Waterproof Storage BagMore Details