Specification: _x005f_x000D_ Model: M22 _x005f_x000D_ Material: ABS _x005f_x000D_ Bluetooth-Compatible version: V5.1 _x005f_x000D_ Support protocol: AZDP/HFP/HSP/AVRCP _x005f_x000D_ Communication distance: 10 meters _x005f_x000D_ Headphone usage time: approximately 4.5 hours _x005f_x000D_ Charging box battery capacity: 1200mAh _x005f_x000D_ Earphone battery: 50mAh _x005f_x000D_ Interface: Type-C _x005f_x000D_ Functions: Waterproof, noise reduction, microphone, music playback/pause, answer/end calls, reject calls, up and down song switching, dual ear high-definition calls. _x005f_x000D_ Waterproof: Waterproof for daily use (sweat proof, rain proof, splash proof. Not suitable for diving, showering, etc.) _x005f_x000D_ Connection method: single/double use _x005f_x000D_ Packaging size: 130 * 105 * 44mm/5.11 * 4.13 * 1.73inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 4 x Earphones _x005f_x000D_ 1 x Charging compartment _x005f_x000D_ 1 x Charging wire _x005f_x000D_ 1 x Instruction manual 1. Stable Connection: Equipped with the latest Bluetooth-Compatible 5.1 chip, these earphones provide high-speed and stable transmission with strong anti-interference capabilities. The intelligent touch control operation makes them easy to use. 2. Dynamic Speaker: Enjoy stereo sound and deep bass effects with the dynamic speaker, delivering an exceptional listening experience. The ergonomic in-ear design ensures comfortable wear, while the large-capacity battery provides extended usage. 3. 1200mAh Charging Case: The wireless earphones come with a 1200mAh charging case, providing up to 48 hours of playtime for your convenience. 4. Noise Reduction: These Bluetooth-Compatible earphones ensure you never miss any part or component of your music. With noise cancellation technology, the sound is incredibly clear without any interference or background noise.