ADVANCED TECHNOLOGY: Features bone conduction sound amplification with self-developed chip and remote sound pickup for clearer, louder voice transmission

BLUETOOTH CONNECTIVITY: Equipped with Bluetooth 5.3 technology providing stable wireless connection up to 15 meters range

BATTERY PERFORMANCE: Extended 8-hour amplifier runtime with fast charging capability - reaches 70% battery in just 10 minutes

WATERPROOF DESIGN: IPX5 rated water-resistant construction suitable for daily use in various environments

SOUND ENHANCEMENT: Delivers 30±3dB vocal mode gain with dual microphone system and dual volume controls for customized hearing experience