• Equipped with an industry-leading Qualcomm smart chip: Equipped with an industry-leading Qualcomm smart chip 3020 smart chip that is faster, stable, and paired mobile devices are automatically power-saving mode after 10 minutes of unused, and it reduces battery consumption, strong compatibility, allowing you to connect two devices simultaneously, more convenient • Large Capacity Battery: The built-in large capacity battery allows 20 hours of talk time, 60 days of standby time and can be used for a long time of threat. The effective solution of the lack of power of the Bluetooth earphones will not bind up your music or calls • Japanese Guidance: The voice guide with Japanese voice allows you to easily operate the device with incoming calls, last number redial, pairing status and battery consumption status • [Warm Prompt to Customers] We provide a complete after-sales service, but if there is any interaction with the connected device, we may be very afraid of concern, please contact our after-sales service before returning or evaluation. We will respond quickly and exchange the product. Please rest assured of your purchase. Support by Japanese people 24x7 • Compatible models: Compatible with Scms-tt, glass, iOS, android, Windows, LINE calls, etc., 99% of smartphones, tablets, PCs, laptops, karaoke apps, etc