3D Wireless Bluetooth 5.0 Music Can Answer Calls Sleep Shading Eye Mask With Timing 1. Material: super soft fleece (nylon Lycra + slow rebound sponge) 2. Bluetooth version: 5.0 dual mode 3. Interface: new ultra-thin movement, Android Micro-usb charging port 4. Speakers: host split bilateral stereo, double speaker design 5. Power: 32 ohms 0.25W, strong and powerful bass 6. The new structure is more convenient to disassemble and assemble, with a charging lead wire 7. Standby time: 300 days, charging for 2-3 hours, battery life for 10-12 hours 8. Indicator light: red and blue lights; design to turn off the light after the Bluetooth connection is successful 9. Battery capacity: 200mah 10. MIC: 40dB 11. Frequency: 2.4-2.48GHz 12. Function and use: It can replace the Bluetooth headset for mobile phone calls, and can be disassembled and cleaned 13. Applicable people: sleep aids, music lovers 14. Nylon paste, more convenient to use, easy to adjust the length of the headband, no sticky hair, no ear ringing 15. Improve the quality of sleep, music will accompany you to sleep, and the timing function can be done as you like 16. 3D one-time thermoforming to ensure that the eye mask will not be delaminated and cracked 17. The inside is made of soft and comfortable air-recovery cotton, and the eye area is hollowed out so that the eyes can breathe freely, and it will not be stuffy after long-term wearing 18. The curved shading design that fits perfectly with the nose prevents light from entering and affecting sleep 19. Dimensions: 280x105x25mm 20. Net weight: about 80 grams