This best overear wireless Bluetooth-compatible Headset can be used as wired headphones without battery consumption using the 3.5mm cable (included) Free switch between wired to wireless headphones in seconds These overear Bluetooth-compatible headphones come with super soft pads and adjustable headband providing lasting comfort Headphone function: adjust volume, switch songs, call answering, call rejection, hang up call, Bluetooth-compatible play, hands-free call, phone replay, Bluetooth-compatible connection, voice prompt, power display, support card, no power can be wired headset Use, pure English broadcast, FM, EQ Scalable design, very portable for travel Perfect surprising gift for girls, kids, lovers and wives, bringing warm and happy to your children, family, lovers and friends in any special holidays or birthday Specifications: Bluetooth-compatible version: Bluetooth-compatible V5.0 Transmission distance: 10 meters Usage time: about 6 hours Standby time: 180 hours Battery capacity: 3.7v / 200MA Speaker model: 4083 Horn size: 40 mm Sensitivity: 115 db Impedance: 32 Ω Frequency response: 20hz-20khz Rated power: 15mW × 2 Compatible with iPhone 12 Pro Max iPhone 12 Pro iPhone 12 iPhone 12 mini Xiaomi Mi 10 Pro Xiaomi Mi 10 Huawei P40 Huawei P40 Pro Galaxy Note20 Ultra Galaxy Note20 Package included 1 x Headphones 1 x Audio Cable 1 x USB Cable 1 x English and Chinese User Manual Other items not included Specifications Brand N/A Built-in Microphone Yes Color Blue Connection Bluetooth,Wired Earphone Type Over-Ear Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Vocalism Principle Dynamic Volume Control Yes Gross Weight 0.401kg Volume Weight 0.624kg Package Length 24.000cm Package Width 20.000cm Package Height 5.800cm