3D Wireless 5.0 Bluetooth Music Eye mask Talk binaural stereo music blackout Sleep eye mask

<p>Bluetooth version: 5.0</p> <p>Bluetooth protocol: AGHSP</p> <p>Bluetooth solution: Blue message</p> <p>Bluetooth transmission distance: 10 meters</p> <p>Headset channel: Stereo (2.0)</p> <p>Music playback time: maximum sound 7H, medium volume 10 hours</p> <p>Microphone distance: 1 meter</p> <p>Bluetooth standby time: 72H</p> <p>Battery capacity: 180ma/h</p> <p>Battery power: 0.55W</p> <p>Horn impedance: 32 ohms</p> <p>Horn power: 0.02W</p> <p>Frequency range: 2.4-2.4835GHz</p> <p>Sensitivity: 45db</p> <p>Transmit power: 6dB</p> <p>Audio output distortion: 0.6%</p> <p>Audio output SNR: 93dB</p> <p>Charging time :1-2 hours</p> <p>Maximum input voltage: DC 5V</p> <p>Maximum input current :150mah</p> <p>Maximum input power: 0.55W</p> <p></p>

• 1.3 in 1 Sleep Headphones & Sleep Mask & Sports Headband.
• The High-fidelity stereo sound benefits from Bluetooth V-5.0 technology produce great sound quality which provide a well-closed and immersed environment for your ears.
• Sleep headphones bluetooth sleep mask has a full coverage and uniquely designed of the nose area, effectively blocking light from entering, prevent light leakage.
• Sleeping headphones mask use memory foam materials and super soft fabric. It's very lightweight, and Skin-friendly breathable fabric is comfortable to wear.