•[Foldable Design] Easily foldable for convenient storage and portability •[Adjustable Headband with Memory Foam Ear Cushions] Features an extendable headband and soft memory foam ear pads for maximum comfort •[Bluetooth 5.3] Equipped with Bluetooth 5.3 for a stable, high-quality connection •[Three Listening Modes] Supports Bluetooth, wired, and TF card modes for versatile listening options •[High Definition Sound Quality] Built with a 40mm high magnetic NdFeB driver for clear sound and powerful deep bass •[Digital Battery Display] Includes a digital display to monitor battery level easily Specifications: •Speaker: 40mm •Battery: 250mAh •Working time: 20 hours •Standby time: 170 hours •Charging time: 1.5 hours •Charging voltage: DC 5V •Connector: Type-C interface •Transmission range: 10 meters •Frequency response: 20 Hz-20 kHz •Functions: adjust volume, switch songs, answer calls, reject calls, hang up calls, Bluetooth playback, call replay, Bluetooth reconnection, voice prompts, battery display, MP3, Siri wake-up Package included: •1 x Bluetooth Headphone •1 x Charging Cable •1 x English and Chinese User Manual