H2 Bluetooth Headphone Wireless Headset Hifi Sound

H2 wireless headset bluetooth 5.1 folding design wireless bluetooth headset
Feature:                                                                             
100% brand new and high quality.
Foldable storage design, easy to carry, suitable for traveling and listening to music at any time.
The high-quality Bluetooth 5.1 chip ensures perfect sound quality and smooth connection.
The professional 40MM speaker unit provides you with deep and accurate bass response to help you enjoy music better.
The soft and skin-friendly earmuffs are light and breathable, and will not deform after long-term use.
TF slot supports 32GB TF card. The foldable design makes it easy to carry and save space, you can take it with you. (TF mode only supports MP3 format.)bluetooth 5.1 and easy to control
Product specifications:
Bluetooth version: 5.1
Talk / Play time: 6 to 8 hours
Wireless Frequency: 10-15 meters 
Speaker diameter: 40mm
Battery Capacity: 650mah
Impedance: 32 ohm
Sensitivity: 102±3dB/mW
Frequency response: 20Hz-20KHz
Audio type: 3.5mm
Products include:
1*headphone
1*charging cable
1*audio cable