ABS plastic;Wireless earbuds with light inside main body that illuminates the logo while in use; Features soft Silicone plugs for comfort during use; Power/Technology: Rechargeable lithium ion battery: Capacity: 37V/70 mAh; Input: DC 5V/50mA; Output: 5mW; Impedance: 32?; Frequency response: 20Hz-20KHz; Signal noise ratio:?75dB; Wireless V 50; Transmission range: 10m; LED indicator light (red while charging, white flash when in pairing mode, turns solid when successfully paired); Built-in microphone for taking/making calls; Approx playback time: 25 hours; Item must be charged prior to first use, charge time varies by device, minimum 90 minutes; Includes instructions and TPE USB to Micro USB charging cable (approx 118”l); FCC Approved; Product Size: 12.5" l; Shipping available to contiguous U.S. addresses and Canada via Ground only. Cannot ship via Air, Internationally or to Alaska, Hawaii, Puerto Rico and any other small U.S. island territory.;