Specifications: The connection distance is up to 35 feet, so there is no need to worry about interruption in listening and control. You can automatically pair this device with the Bluetooth device seamlessly without any problems when you open the headset box. Unique stereo sound quality and design provide you with perfect sound and CVC8.0 digital noise reduction technology, you can feel more realistic music. Equipped with a 250mah large-capacity battery, you can charge it anytime and anywhere, and only 1.5 hours of charging time, you can get 20 hours of listening to songs or 25 hours of talking. Choosing to wear different sizes of silicone earmuffs to make your ears comfortable, so that you will not feel uncomfortable wearing headphones for a long time, ideal for running, jogging, cycling, and exercising in the gym .-Returns: 30 day returns | Seller pays for return shipping | See details- for more information about returns-Payments: -: -: -: -SizeCustom Bundle:: 4.8cm x 2cm x 1cmNo-Year ManufacturedMPN:: 2020sdoes not apply-Charging TimeForm Factor:: 1.5 hEar-hook-Manufacturer WarrantyNoise Reduction:: 3 monthsCVC 8.0-Cable LengthWorking voltage:: 0.33.7V-Number of EarpiecesManufacturer Color:: Singleblack-ColorCharging voltage:: BlackDC5V-Talk TimeMaterial:: 20-25 hplastic-Music Playing TimeBrand:: 18-20hUnbranded-TypeBluetooth Version:: Earbud (In Ear)5.0-Wireless TechnologyModel:: BluetoothCVPRO08-ConnectivityFeatures extra:: BluetoothConnect Two Devices, Equipped with Earplugs, Large-Built-in BatteryCountry/Region of Manufacture:: 250 mahUnknown-UPC: does not apply-: -: -: -Item location: Orlando, Florida, United States-Ships to: Worldwide-: