Opened for photography. Operation has not been confirmed. Will be shipped without the box. Achieves realistic bass depth and impact, excellent clarity, and vivid detail through the movement of air. Customized comfort. Sound isolation design. The CVJ CSA in-ear design blocks out external noise, lowers the volume, protects hearing, and improves sound quality. Comply memory foam ear tips provide maximum comfort and further enhance noise isolation for a superior audio experience. Drive unit: 1 Dynamic 10MM woofer, 1BA 6MM tweeter. Earphone type: In-ear. Impedance: 23Ω. Earphone sensitivity: 107dB/mW. Frequency range: 20-40000Hz. Plug interface: 3.5mm gold-plated. Plug type: Line type. Cable length: 1.2m ± 3cm. Cable conductor: 1.25 4N oxygen-free copper-plated silver. Earphone interface: 2-pin, 0.78mm interface. With cable, 2-pin 0.78mm cable included. No microphone. Received as a gift. I have many other items for sale too ☺︎ ▶▷▶ #rin’s shop Other earphones ▶▷▶#rin’s smartphone shop ----------------------------- ✔ Immediate purchase without comment is welcome✩*⋆ ✔ Midnight/early morning silent purchase OK! ✔ Bundle discount, repeat customer discount, follow discount, feel free to comment♡ ̖́- ✔ All items are free shipping ◎ Inspection by amateurs, so there may be errors in the description. The actual images are correct (*ᵕ ᵕ)⁾⁾ Anonymous shipping is not available. ----------------------------- 37CVJ CSA IEM In-Ear Earphones Faceplate Resin Cavity In-Ear Monitor Wired IEM Earphones HiFi Stereo Bass Ultra Clear Sound Earphones Dual Magnetic DD and 1BA Earphones Black White Black White 84503840