Description Features: 1. Material: cloth 2. Size: 36 x 11cm 3. Selling point: (1) Bluetooth sleep earbuds can block light and noise, make your sleep better, so you can listen to music without wearing other headphones, so you can fall asleep faster (2) Bluetooth headset and sleep goggles 2 in 1 allows you to fall asleep without wearing headphones while listening to music(3) Battery: 150 mAh battery 3.7V, charging about 2 hours can provide ablout 10 hours of playback time, blocking most external sounds, using the latest Bluetooth technology to produce high-definition sound quality, allowing you to fall asleep fasterPackage: 1x Bluetooth goggles headset Operation method: 1. In the off state, long press for 3 seconds to turn on; in the on state, long press for 3 seconds to turn off; 2. After powering on, it will automatically connect back to the last connected Bluetooth handheld device. If it is the first time to power on, it will immediately enter the self-pairing mode, and there will be English voice prompts. 3. After pairing with the handheld device Bluetooth, it can be executed when playing audio, short press "pause", short press "play". In the call state, short press "Answer Incoming Call", long press "Reject Incoming Call", and quickly double-click "Dial Last Call". Right button):4. Play audio Short press "Next", long press "Volume Up". Left button): Play audio. Short press "Previous" and long press "Volume Decrease"