Welcome to our store!</br>1、ABS Material: This product is made of ABS material, which is durable and not easily damaged; It can be used by users for a long time without worrying about quality issues. 2、Anti Interference Microphone: The earphone device is equipped with an anti interference microphone, which can achieve hands free answering and ending calls. 3、Multiple Functions: The controller of this product supports functions such as previous or next song, volume increase or decrease, playback pause, and automatic callback, making the operation simple and fast. 4、Product Performance: This product adopts the latest CSR4.2 and EDR BT technology, which has excellent signal transmission and ultra low power consumption. 5、Suitable for: The product is small in size, light in weight, and convenient for users to carry; It is suitable for cycling, driving, and other scenarios, bringing convenience to users' daily lives. </br><p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Helmet headset Weight: 190.00g/6.70oz Product Material: ABS Battery Capacity: 500mAh Battery Type: Lithium Battery (shipped with built in battery) BT Version: V4.0, EDR Frequency Range: 2.402GHz to 2.480GHz Transmission Distance: 10m/393.70in (transmission distance varies due to environmental factors and different BT devices on mobile phones) MIC Distance: ≤ 1m/39.37in <style> </br> .wang-edit-text{ </br> font-family:'Arial' !important; </br> } </br> .wang-edit-text table { </br> border-top: 1px solid #000; </br> border-left: 1px solid #000; </br> } </br> .wang-edit-text table td, </br> .wang-edit-text table th { </br> border-bottom: 1px solid #000; </br> border-right: 1px solid #000; </br> padding: 3px 5px; </br> } </br> .wang-edit-text table th { </br> text-align: center; </br> }</style> </br>1 x Host 1 x Instruction 4 x Hook and Loops 2 x Screws 2 x Nuts 1 x USB Cable 1 x Fixed Accessories 1 x Microphone Cover (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service.</br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.