Features: 1.Support a variety of voice changes, support the language of each country. 2.Small and portable, the mobile phone and computer are universal, and the sound effect is very good. 3.Mobile phone megaphone voice changer Make your voice more beautiful. 4.DSP noise reduction technology to improve the quality of voice calls. 5.High quality material, high?end appearance, improve your lifestyle. specification: Support a variety of voice changes, support the language of each country. Small and portable, the mobile phone and computer are universal, and the sound effect is very good. Mobile phone megaphone voice changer Make your voice more beautiful. DSP noise reduction technology to improve the quality of voice calls. High quality material, high-end appearance, improve your lifestyle. : Color: Black Signal to noise ratio: 106db Dynamic range: 106db Battery capacity: 300mah/3.7V Battery energy: 3.7WH Charging input: DC5V/1A Full charge: 3-4 hours Size: Approx. 7.5 * 3.5 * 1cm / 3 * 1.4 * 0.4in Package Weight: 111g Package list: 1 * Audio Card 1 * USB Cable(Random Color) 1 * AUX Audio Cable(Random Color) 1 * User Manual Note: 1. Due to manual measurement, please allow 1-3mm to be different. 2. Due to the difference in display and lighting, the picture may not display the actual color of the item. thank you for understanding. 3. Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.