SYM10 Tws Wireless Headphones 3500mAh 2.0 Charging Box Headphone 9D Stereo Sports Waterproof Earbuds Headsets With Microphone, Blue

LED digital power display, the remaining power of the charging cabin is clear at a glance, to avoid the embarrassment of suddenly running out of electricity. Built-in large-capacity battery, which can be charged immediately and fully charged, is suitable for a variety of scenarios, so that you can travel without worry. 5.0 lower power consumption is the core technology of headphones, adopt mini energy gathering cabin design, sensitive metal contact, which can be put and charged immediately. Material: ABS
Bluetooth Version: 5.1
Single Ear Capacity: 50mA
Charging Bin Capacity: 3500mA Endurance Time: Accumulated about 22 Hours (Need to Be Equipped with A Charging Box)
Talk Time: 180 Hours (Need to Be Equipped with A Charging Box).syi