Sleeping Mask 3D Eye Mask Headset Headband Soft Elastic Comfortable Wireless Music Headset Eye Mask With Mic For Side Sleepers

Sleeping Mask 3D Eye Mask Headset Headband Soft Elastic Comfortable Wireless Music Headset Eye Mask With Mic For Side Sleepers

Sleep Headphones Personalised Gifts for Dad Sleepphones - Bluetooth Headband Sleep Earphone Sleepband Built-in HD Stereo Speakers, Ultra-Soft Wireless Sleeping Headphones Birthday Gifts for Her Him

product description
Model: YR-05
Bluetooth protocol: V5.0
How to use: head-mounted
Channel: stereo
Frequency response range: 20HZ-20KHZ
Charging voltage: 3.7V-4.2V
Sensitivity: 88DM
Signal to noise ratio: 90db
Speaker impedance: 32Ω±15%
Speaker specification: ф30mm
Operating range: 10m
Use time: 10H (50% volume)
Battery capacity: 200mAh
Bluetooth search name: BT-01
Material: memory foam
Color box size: 16*12*6cm
Individual packaging: 200g