Dobrável redução de ruído sem fio bluetooth fones de ouvido handsfree fone de ouvido

Specifications: Each earphone is equipped with professional BASS subwoofer, and the 40mm iron speaker driver unit takes into account the human voice. Made from protein sponge material, it is comfortable to stick to the ears to protect the ear porch from pressure, bringing an excellent natural wearing experience. With convenient foldable design, it can be easily stored and worn flexibly. 300mAh large capacity lithium battery can play continuously for about 8-12 hours. This headset has a card mode, and you can also insert a TF card to make it mobile MP3.   Item Name: bluetooth-compatible Earphones Material: ABS, Faux Leather Efficiency Range: 20HZ-20KHZ Battery Capacity: 300mAh Included Charging Time: 2-2.5 Hours Bluetooth Version: 5.0 Operating Range: Straight Line Distance 10m Efficiency Sound: 20HZ-200KHZ Features: Foldable, Adjustable, Wireless, Bluetooth, Comfortable to Wear Size: 17.2cm x 11.3cm x 7.5cm/6.77" x 4.45" x 2.95" Approx.   Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x bluetooth-compatible Earphones