1.Made of premium material, it is sturdy and durable. 2.The headset is designed with mic, clear stereo sound quality. 3.Great for motorcycle Bluetooth device. 4.It is universal for E1 . 5.Fine workmanship, can be used for long time. It is a perfect replacement for your damaged one. Helmet headset cable length: 70cm Note: This product does not include the Bluetooth type: Half helmet model colour: black Material: Plastic Package Contents: 1 x Helmet headset With microphone Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.