Maestraudio MA910S Clear Mint Earphones with 10mm Graphene-Coated Dynamic Drivers, Passive Ceramic-Coated Tweeters, RST & HDSS, Made in Japan,

■Universal IEM designed for a compact, lightweight design with a wide soundstage. Equipped with a newly developed graphene-coated dynamic driver. ■Innovative passive ceramic-coated tweeter [RST] and acoustic correction device [HDSS]. ■Silver-coated OFC and OFC hybrid cable. ■Includes original eartips [iSep01] with slightly softer silicone rubber for superior fit and sound isolation. ●Shape: Universal IEM (ear-hook type)●Drivers: Hybrid type: 10mm diameter graphene-coated dynamic driver x 1, 9mm diameter RST (Reactive Sympathetic Tweeter) x 1●Impedance: 16Ω●Sensitivity: 100dB●Frequency response: 20Hz - 40KHz●Cable length: 1.2m (3.5mm 3-pole L-shaped plug)●Accessories: iSep01 eartips (S/MS/M/L), ear hooks, genuine leather cord reel, warranty card●Country of origin: Japan