Multifunctional Cleaning Kit: The flocking sponge can clean the dust inside the wireless charging case of the earphones. The high-density brush can clean the dirt on the sound outlet of the earphone. Pen tip cleans stubborn dust Dual-Head Design: Computer Cleaning Kit comes with nylon bristles, flocked sponge, high-density brush, nib and key cap puller. Double-head hidden design to meet a variety of cleaning needs Soft brush: Nylon brush with good elasticity, good stiffness, dense friction and labor-saving Convenient: with a simple key puller, it is no longer laborious to replace the key cap, and the key cap is removed faster Easily meet various cleaning needs: four cleaning heads, one machine is multi-purpose, deeply cleans every corner of the keyboard and earphones, so that dust has nowhere to hide. Compatible with Beats Fit Pro, AirPods 3 2021, AirPods 1/2, AirPods 1/2 Pro, Samsung Galaxy Buds 2, SONY WF-1000XM4 Specification: Material: ABS Bluetooth: Compatible with earbuds, headphones, mobile phones, computers, tablets, cameras, etc.