Action sports and music push limits. Through a collaboration with action sport athletes, and extensive consumer testing, JBL created Grip to provide an exceptional earphone for athletes to inspire and motivate their performance. Thanks to an advance ergonomic design, Grip action sport earphones are guaranteed to never hurt or fall out. Twistlock patented design ergonomically designed ear tips comfortably twist and lock into your ear. Sweatproof and designed with strain relief and durable materials, jbl grip is an earphone that holds up in the action sport lifestyle. Silicon ear pieces. 1.2m cord length. Plastic coated cord. 3.5mm jack . 15mm driver. (not included). Manufacturer's 2 year guarantee.