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.Description:Bluetooth 5.0 chip brings high speed and stable transmission, which has strong ability of anti-interference.With smart noise reduction technology, the wireless earphone has stereo and heavy bass sound effect.Made of premium plastic, sponge and electronic component material, the wireless headphone is reliable and durable. It is easy to adjust the volumn with buttons.Length of the headphone is 18cm, width is 17.3cm and thickness is 8.2cm. Foldable headphone is space-saving, which is easy to be stored. You also can listen to music with 3.5mm audio cable.It is suitable for you to use it for home, office, travel, sport, etc.Item Name: Bluetooth HeadsetMaterial: Plastic,Sponge,Electronic ComponentCharging Time: 1-3 HoursSensitivity: 108dB±3dBChip: AC6925FSupport Operating System: for iOS, for Android, for Mac OS, for WindowsCharging Interface: Micro-USBImpedance: 2.2KΩBluetooth Protocol Support: A2DP/AVRCP/HSP/HFPTransmission Distance: 10mBluetooth Version: 5.0, (Compatible with Bluetooth 4.2/BR.EDR)Input: DC 5V/1ASpeaker Diameter: 40mmMicrophone Sensitivity: 3012-M4618L15Earphone Battery Capacity: 300mAh (Included)Frequency Response Range: 20-20KHzHorn Specifications: 20mW/32ΩListening Time: 4-8 HoursSize Details: 18cm x 17.3cm x 8.2cm/7.09" x 6.81" x 3.23" (Approx.)Notes: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.Package Includes:1 x Bluetooth Headset1 x USB Charging Cable1 x User Manual a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a