I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Specifications:Using upgraded dynamic coil speakers to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like a live scene.Follow the ergonomic shape concept, all-in-one design, fit the cochlea, let the headset wear firmly, and experience long-term stable and comfortable wearing.With mini and compact size design makes it super portable and convenient for you to carry and use.Having smart touch operation which means the headset will automatically turn on and automatically pair when you remove the headset from the storage box.Comes with large-capacity battery, it could even be an emergency charging power source for mobile phones.Item Name: Bluetooth HeadphonesBluetooth Version: 5.1Transmission Distance: 10mCharging Input Voltage: 5VBattery: Built-in Battery(Included)Bluetooth Earphone Battery Capacity: 50mAhCharging Box Battery Capacity: 2000mAhTalking Time: 4 HoursCharging Time: 1-2 HoursFeatures: Bluetooth 5.1, Wireless, Fine Workmanship, MiniSize:11.2cm x 10cm x 4.3cm/4.41" x 3.94" x 1.69" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 Pair of Bluetooth Headphones4 x Ear Caps1 x User Manual1 x Charging Cable a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a