The BT-S3 is a Bluetooth V5.0+EDR Class 1 Stereo Headset with long-range Bluetooth Intercom designed specifically for motorcycles. With the BT-S3, you can call hands-free on your Bluetooth mobile phone, listen to stereo music or voice instructions of GPS navigation by Bluetooth wireless, and have intercom conversations in full duplex with a passenger or other motorcycle riders. Bluetooth: ●Profiles: Headset Profile, Hand-Free Profile (HFP) ●Advanced Audio Distribution Profile (A2DP) ●Bluetooth V 5.0+EDR Functions: DSP echo cancellation and noise suppression technology ensures crystal-clear high-definition audio at high speeds for a stunning conversation or music listening experience. In headset Intercom mode, riders can communicate at a remarkable range of up to 1000m at open ground. A group of 2-3 riders can communicate each other with full-duplex communication technology,supports 3 riders to pair and only 2 riders intercom at the same time. The BT-S3 could be paired with most brands of Bluetooth intercoms on the market. It can also be paired with all mobile phones and use voice control functions, such as Siri (iPhone) and S Voice (Samsung) voice commands. Built-in FM Radio could automatically select the best frequency that can be received for the program that is being listened to. Bluetooth mode enables you operate your mobile phone and listen to music on journey. Large Battery Volume & Battery Power Prompt ―Battery Capacity: 500mAh ―Standby Time: 200 hours ―Work time: 16 hours ―Charging Time: 3 hours When powered on, it will automatically prompt the battery power. When the battery is low, it will prompt and flash a red light every 20 seconds. Bluetooth Connectivity -It can be paired with most GPS or other Bluetooth devices, only a few models are not available. -It can be paired with all mobile phones and use voice control functions, such as Siri (iPhone) and S Voice (Samsung) voice commands. -It can be paired with most brands of Bluetooth intercoms on the market. Noise Suppression Technology Advanced DSP echo cancellation and noise suppression technology ensures that the speakers work well even on the highway. Long-range Intercom A group of 2-3 riders can communicate at an open ground of up to 1000m. Supports 3 riders to pair and only 2 riders intercom at the same time. Big Button Unique oversized button design and comfortable touch. Even if you wear gloves, you can easily manipulate it. Helmet Compatibility The BT-S3 headset with soft microphone is only suitable for the full-face helmets. The open helmet that can cover your ears, please choose the BT-S3 headset with boom microphone. What's in the Box? 1 x Headset 1 x USB Cable 1 x Soft Microphone Headphone Cable 1 x Headset Clip with fastening screws 1 x Headset Clip with fastening screws 1 x Headset Clip 1 x Audio Cable 1 x User Manual AC Adapter not included(it can be charged by any phone adapter)