◆ Product Name Foldable On-Ear Headphones ◆ Color: Green Model Number: YD-1806 Charging Time: Approximately 1.5 hours Continuous Usage Time: Approximately 8 hours Battery Capacity: 150mAh Product Size: H18*W19*D3.5cm ◆ Weight: Approximately 120g ◆ Charging Method: USB ◆ Bluetooth Version: Bluetooth 5.0 ◆ Bluetooth Transmission Distance: 10m ◆ Playback Frequency Band: 50Hz-20kHz ※ Please use your own AC adapter (not for fast charging) to charge. ※ Do not use an AC adapter that supports fast charging. Please note that this is a prize item, and may have scratches or dents from the time of acquisition. Please refrain from purchasing if you are seeking perfection or are overly concerned about minor imperfections.