Wireless Bluetooth headphones with a 300 mAh battery. They provide high-quality, clear sound. Foldable design makes it easy to store the headphones in a bag or backpack. Bluetooth wireless streaming allows you to enjoy your favorite music in perfect quality, without a cable. The foldable design makes it easy to carry and store the headphones in a backpack or a bag. Comfortable ear muffs allow you to listen to music for hours without discomfort. The headphones can be easily adapted to individual needs. Equipped with TF card slot and AUX input. Specification: Speaker: 40 mm Bluetooth version: V5.0 JL Charging voltage: DC 5V Charging time: 2 hours Talk / music time: 8 hours Standby time: 200 hours Size: 186 * 180 * 75 mm Weight: 187 g Wireless support: TF card, AUX mode play