B-C6 Wireless Over Ear Headphones, 50H Playtime Foldable Lightweight Bluetooth Headsets, Deep Bass, Built-in Microphone, Memory Foam Earmuff, for Travel, Home Office (Beige White)

[50
Hours Music Enjoyment]: A built-in 500mAh battery won't let your headphones power off. Just a single charge, and you can enjoy your world with reduced noise for 50 hours' long time. Or plug in a 3.5 mm stereo audio cable to prolong using time when battery is low.
[Unique lightweight ergonomic design]: Professional-grade protein ear pads that rotate inward at 100° and fold inward at 120° make the earmuff extremely light, which allows you to use it for a long time with maximum comfort. Ergonomic headphone construction, multi-level adjustable headband can be adjusted to suit your best size.
[Delivers deep bass audio]: Dual 40mm HD high resolution audio drivers, high response diaphragm, lightweight voice coil. Delivers unparalleled sound without interruption. High quality sound just needs to be heard. Let it find the rhythm of your soul. [Bluetooth 5.3
& Built-in Mic]: Two 40mm driving units, Bluetooth 5.3 chip, audio transmission speed is more stable, lower delay, bring you wonderful music enjoyment. Lightweight headphones with a built-in microphone make calls as clear as if you were talking face to face