Active Bluetooth hearing protection capsule with RAL function. RAL (Real-Active-Listening) allows for the perception of ambient sounds and communication over short distances. It features Bluetooth 5.0 and a dual connection mode, enabling simultaneous connection to two Bluetooth devices. It offers communication, hands-free calling, and audio streaming. Includes an audio assistant with a battery warning, eliminating the need to remove the hearing protection in hazardous areas. It is waterproof and dustproof, making it ideal for outdoor use. The sealing cushion is made of memory foam for a good fit and effective sealing around the head, while the padded comfort headband ensures pleasant wearing comfort. The foldable headband can be stored compactly.