Huawei FreeBuds 4i Earbuds Active Noise Cancellatio White

Description-HUAWEI FreeBuds 4i headphones are true wireless stereo headphones consisting of left and right earbuds and a charging case, and feature an in-ear design for comfort when wearing them.-HUAWEI FreeBuds 4i Headphones can be connected with other devices such as phones, tablets and PCs via Bluetooth to make voice calls and play music. (Bluetooth 5.2)-With a 10mm diameter dynamic driver unit, dual microphones for cancellation of ambient noise during calls, active noise cancellation (ANC), and recognition mode, the HUAWEI FreeBuds 4i headphones achieve crystal-clear audio delivery.-With a low-power solution and 55 mAh battery, the HUAWEI FreeBuds 4i earphones have a long battery life and fast charging speed through the charging case.--Long battery life:- Charging the case: Charged via a USB Type-C port and cable.- Headphone charging: Charged through the charging case.- Charging time Full charge of the headphones: about 1 hour.- Full charge for the charging case (without the headphones inside): about 1.5 hours.--Music play / voice call duration:- Music playback duration: 10 hours (with noise cancellation disabled) / 7.5 hours (with noise cancellation enabled)- Voice call duration: 6.5 hours (with noise cancellation off) / 5.5 hours (with noise cancellation on)Indicator:The indicator outside the case provides information about the charging case by turning red, yellow, green or white.1. Headphone battery level.2. Pairing status.3. Factory reset status.4. Charging case charge status.5. Battery level of the charging case.-Effective bandwidth frequency for music playback: 20 Hz to 20,000 Hz-Certification:The product has obtained SRRC, CE and Bluetooth certifications.-Environmental protection requirements:The product complies with the RoHS, REACH and WEEE environmental protection requirements.