B20 Mini Portable In-ear Noise Reduction Bluetooth V5.0 Stereo Earphone with 360 Degrees Rotation Charging Box (Black)

1. Adopt true wireless design small body great wisdom 2. It is ergonomically designed light and portable fits intimately with the ear keeps it comfortable for a long time and has excellent intelligent noise reduction so that you can enjoy it in the music world. 3. Adopt powerful Bluetooth 5.0 imported high-end chip good stability stronger signal clear call without delay 4. The headset is fully charged and audible for about 3 hours. The compact carrying case is also a charging box which not only protects the headphones but also charges the headphones 4 times to meet the music playback time of up to 3 hours. About 4 hours 5. The charging box battery capacity is 400mAh the headphone plus charging box has a battery life of 30 hours and the headphone battery capacity is 55mAh. 6. Creative charging box opening mode 360 degrees arbitrary rotation the switch is so simple the use is more suitable for life needs 7. The earphone box is designed for storage and charging. The earph