How to Use: Long press the button at the bottom of the product, the indicator light flashes to enter Bluetooth pairing, and it can be used after the connection is successful. Please scan the QR code to download the app, please refer to the manual for details. Specification: Item Type: Translator Earbuds Material: ABS Color: White Horn Diameter: Approx. 12mm/0.5in Headphone Type: Earbuds Languages: 127 Languages, Simplified Chinese, Chinese (Cantonese), English (UK), Japanese, Korean, German, French, Russian, Thai, Arabic, Spanish, Bulgarian, Polish, Czech, Croatian, Romanian , Bahasa Malaysia, Norwegian, Portuguese, Italian, Vietnamese, Indonesian, Greek, Swedish, Turkish Hindi, Serbian, Sinhala, Swahili, Urdu, Ukrainian, Armenian, Amharic, Azerbaijani, Tvian, Hungarian, Slovak, Slovenian, Lao, Lithuanian, Bengali, Afrikaans, Nepali, Icelandic, Persian , Finnish, Georgian, Danish, Filipino, Dutch, Cambodian, Etc. Accurate Offline Translation: 7 Types (users Purchase in the App Themselves) Bluetooth Version: V5.0 Transmission Distance: Approx. 15m/49.2ft Speaker Frequency: 20Hz-20KHz SNR: ≥90dB Noise Reduction Depth: -25dB Noise Reduction Bandwidth: 30Hz-1.5KHz Package List: 2 x Translator Earbuds 1 x Charging Compartment 4 x Earplugs 1 x Data Cable 1 x Manual Note: Please allow some errors due to manual measurement.