I am an Chinese seller,providing customers with and low-cost products. The types of products we sell include Home and Kitchen,Health and Beauty,Fashion Clothing,Electronics,Watches and 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 if you have any questions.Specifications:Unique foldable design not only saves space but also makes it portable.Easy to storage and carry.Comfortable earmuffs.The 40mm subwoofer brings a stereo experience.Built-in speakerphone for hands-free calling.400mAh rechargeable battery offers long lasting talk time or music playback.Bluetooth 5.0, signal stability, power saving .HD mic, high clarity sound, much more clear music and talking.Microphone noise reduction and echo cancellation. Type: bluetooth-compatible HeadsetMaterial: ABSBluetooth: bluetooth-compatible 5.0Working Range: 10 MetersSensitivity: 96dB and 3dBMusic Time: 8-12 HoursStandby Time: 15 HoursSpeak Diameter: 40mmCharging Current: 5V/1AImpedance: 32Battery Capacity: 400mAhCharging Interface: Micro USBSize: 17cm x 12cm x 4cm/6.69" x 4.72" x 1.57" (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 x bluetooth-compatible Headset1 x USB Cable1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.