The helmet walkie talkie is wireless and easy to connect, it supports answering the phone, the powerful waterproof function allows you to enjoy music in any weather condition.Specifications Material: ABS + Electronic Components Color: BlackInterconnection Technique: BluetoothFarthest Talking Distance: 1200 Meters Built-in Battery Capacity: 550mAh Waterproof: Yes Talking Time: 8 Hours Stand-by Time: 240 HoursNote: 1. All dimensions are measured by hand, there may be 2-3 cm deviations;2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for understanding!Package Contents 1 x Helmet Walkie TalkiePromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.