Bluetooth sleep mask with built-in wireless headphones, blue, for home office

Welcome to our shop! Discover our musical sleep mask, designed to offer you optimal comfort and an immersive sound experience. Made from durable materials, it's very soft and lightweight, ideal for use at home, in the office, while traveling, for leisure, or meditation. You can even wear it to sleep, and it's easy to clean after removing the built-in speaker. Thanks to its ergonomic 3D technology, this mask perfectly conforms to the eye area, allowing you to listen to music without the need for headphones. It promotes deep sleep and helps resolve your sleep problems. **Technical Specifications:** - **Product Type:** Musical Sleep Mask - **Material:** Composite Foam + Composite Cotton - **Length:** Approx. 42 cm (16.5 inches) - **Width:** Approx. 11.4 cm (4.5 inches) - **Weight:** Approx. 103.0 g (3.6 oz) - **Battery Type:** Polymer Battery (Included) - **Battery Model:** 402030 - **Battery Capacity:** 150 mAh - **Bluetooth Name:** BT-MUSIC - **Wireless Range:** 10 meters (32.8 feet) unobstructed - **Frequency Range:** 2.402 GHz - **Talk Time:** 15 hours - **Standby Time:** 180 days - **Charging Time:** Approx. 2 hours - **Storage Time:** 500 days (unused, fully charged) - **Receiving Sensitivity:** : < -80 dBm - **Charging Voltage**: 5V 0.7A - **Compatibility**: Works with a variety of Bluetooth devices, including iOS phones, laptops, speakers, wristbands, watches, medical equipment, etc. **Instructions for Use:** 1. **Power On and Pairing**: Press and hold the center button for 2 seconds. The red and blue LEDs will light up alternately, then flash alternately to enter pairing mode. Turn on your phone's Bluetooth and search for "BT-MUSIC". Once connected, the blue LED will remain lit. 2. **Calls**: High-quality full-duplex calls. Automatically answer incoming calls via Bluetooth, with two-way communication. 3. **Music**: Connect the headset to your phone, then press the center play button to automatically start playing music. 4. **Volume**: Press and hold the volume - button to decrease the volume, and the volume + button to increase it. 5. **Track Change**: Briefly press the volume - button to skip to the previous track, and the volume + button to skip to the next track. 6. **Playback Mode**: Switch between different playback modes. 7. **Power Off**: Press and hold the center button for 2 seconds to turn off the device (the red indicator light will flash once). 8. **Power Saving Mode**: After approximately 15 seconds of inactivity, the mask enters power saving mode (the blue indicator light will flash twice every few seconds). If no sound is emitted from the phone and the center button is not pressed, it remains in power saving mode. As soon as sound is emitted, it returns to normal mode. If the phone is not connected, it will automatically turn off after 5 minutes in power saving mode. **Package Contents:** - 1 x Musical Sleep Mask - 1 x USB Cable - 1 x User Manual