[DETAIL] Bluetooth Eye Mask for Sleeping Hybrid Vocalism Principle Enjoy superior sound quality with our hybrid vocalism principle, delivering rich, immersive audio experiences. Active Noise-Cancellation Immerse yourself in peace with active noise-cancellation technology, ensuring a tranquil sleep environment. Comfortable Design The ergonomic design of our sleep mask ensures comfort during extended use, making it perfect for peaceful slumber. In-built Microphone Stay connected with ease thanks to the integrated microphone, allowing hands-free communication. Wireless Bluetooth Connectivity Experience seamless audio with our Bluetooth sleep mask, featuring the latest Bluetooth 5.2 for stable, wireless listening. [ATTRIBUTES] - Hign-concerned Chemical: None - Material: Plastic,Leather - Battery Capacity[mAh]: 200 - Hign-concerned Chemical: None - Material: Plastic,Leather - Battery Capacity[mAh]: 200 - Battery life up to[hours]: 12+ - Voice assistant built-in: Yes - NFC Technology: No - Sound Isolating: Yes - Category: Earphones & Headphones - Number Of Drivers: 2 - Charging Method: cable - Impedance Range: up to 32 - Bluetooth Version: 5.2 - Package List: User Manual,Carrying Bag,Charging Cable - Features: With microphone,Detachable Cable - With Microphone: Yes - Is wireless: Yes - Support APP: Yes - Waterproof: No - Plug Type: None - Active Noise-Cancellation: Yes - Volume Control: Yes - Control Button: Yes - Vocalism Principle: Hybrid Technology - Wireless Type: Bluetooth - Connectors: Type c - Communication: WireLess - Style: Wired in-ear headphones - Origin: Mainland China - Brand Name: SYPVRY - Support Memory Card: No