-Bluetooth wireless
-In-ear design
-Flexible neckband
-IP57 waterproof and Sweatproof P2i nano-coating
-Stable, comfortable fit
-Easy-access on-ear controls for music and calls
-Rich, immersive audio
-Contoured eartip and reflective finish-
-MEMS microphone with DSP
-Eight-device memory-
-Wireless firmware update from app
-Micro USB charging port
-Includes Neoprene smartphone armband that reverses to store headphones