Casti Harman Kardon Harkar-AE Casti in ear Harman Kardon Harkar-AE Sophisticated, modern design Optimized driver system Aluminum alloy housing Sonic clarity and accuracy even at low volume levels Silicone sleeves and Comply™ foam sleeves Apple three-button remote with built-in microphone Heavy cable and durable plug Type: In-ear canal style High-performance driver: 3/8" (9mm) Frequency response: 16Hz – 20kHz Cable: 4' (1.2m) Remote: Apple three-button (MFI) Included silicone sleeves: S, M, L Included foam sleeves: Comply™ uni-size Case: Premium carrying case