Bluetooth Headphones Stereo Over Ear Wireless Professional Headset Product Designed For Perfect Fit:For make sure the cable lock in place to ensure a secure connection, we add jack lock system on the stereo Aux cable. You don't have to worry about any connection problems when connecting the jacks and sockets. Memory Earcups:The breathable protein skin earmuffs and the soft sponge inside improve the wearing experience, guarantees good sound insulation and there is no discomfort for long-term wear. Music or Sound Sharing:pair your device via bluetooth and share your tunes through the audio cable, 2 or more people can share music moments at the same time. Professional Sound Quality:The Bluetooth + wireless dual mode headphones feature 5.0 Bluetooth technology and 50-hour playback time to deliver a high quality and comfortable sound quality experience. 40mm Dual-Diaphragm Drivers - inner & outer rings deliver vibrant bass, vivid mids & vivacious highs without overlap. Jock lock design:For make sure the cable lock in place to ensure a secure connection, we add jack lock system on the stereo Aux cable. You don't have to worry about any connection problems when connecting the jacks and sockets. Product Features: Speaker: 40 mm Impedance: 32 Sensitivity: 1053dB 1kHz Bluetooth Ver: Bluetooth 5.0 Wireless Range: >=12m Battery: 650mAh Polymer Battery Playing Time: Up to 50 hours Talking Time: Up to 50 hours Charging Time: About 2.5 hours Package Included: 1xA70 FusionHeadphone 1x3.5mm Audio Cable 1x6.35mm to 3.5mm Cable 1xUSB Chariging Cable 1xPortable Bag 1xUser Manual 1xRetail Box Before you place an order, please provide me with English information to facilitate our delivery and logistics