Brand: haloholy 65 hour playback time: Using low-power technology, it can play continuously for more than 65 hours and standby for more than 950 hours after being fully charged. This wireless earphone can easily switch to wired mode when turned off through a 3.5mm audio cable. No more power shortage issues All day comfort: Made of high-quality materials, the earbuds are wireless Bluetooth and suitable for work, making them the lightest headphones on the market. Adjustable headband can easily adapt to all sizes of head without feeling pain. Softer and more comfortable memory protein earmuffs can provide long-term protection for your ears