Active Bluetooth hearing protection capsule with RAL function. RAL (Real-Active-Listening) enables the perception of ambient noise and communication at close range. Features Bluetooth 5.0 and dual connection mode, allowing simultaneous connection to two Bluetooth devices. Offers communication, hands-free telephony, and audio streaming. Includes an audio assistant with a battery warning announcement, eliminating the need to remove the hearing protection in hazardous areas. It is water- and dust-proof, making it ideal for outdoor use. The sealing cushion is made of memory foam for a good seal and fit on the head, while the padded comfort headband ensures a comfortable fit. The foldable headband can be stowed away compactly.