2PCS For Beyerdynamic DT131/DT235/DT231/DT234 Headset Cover, Colour: Protein Type Filter-Optical Drives Cases SIM card tray + SIM

SIM card tray + SIM card tray / Micro SD card tray for OPPO R11s

fits the laptop cooling hole

Charging port connector for Huawei P20

DC voltage and current meter can accurately reflect the output DC voltage and current

2PCS For Beyerdynamic DT131/DT235/DT231/DT234 Headset Cover, Colour: Protein Type Filter-Optical Drives Cases SIM card tray + SIM1. Wear comfortably, remove noise, and wear it for a long time without getting tired 2. Simple installation design, stable and not falling off, easy to disassemble and assemble 3. Features: soft and comfortable, breathable and sweat absorbent, durable, sound insulation and noise reduction 4. Material: flannel mesh cloth protein leather 5. Size: about 8cm in diameter 6. Applicable products: suitable for Beyerdynamic earphone sets 7. Weight: about 15g