Walker's flexible ear bud neckband features high/low compression mode; continuous 15-hour activation; sound activated compression protects hearing; flat no tangle rubber cables; hi-gain omni-directional microphones for clear sound enhancement and hd speakers for wide range audio quality.Includes- 3 pairs of foam ear buds (s,m,l), 12" usb charging cable and eva storage case.Type: Ear BudsColor: BlackNrr: 30 dBStyle: Behind The NeckBattery: RechargeableMaterial: Plastic/Rubber