4 Mics and Stereo Sound Quality:Each wireless earbuds features dual microphones and advanced noise reduction for clear calls. With a 10 mm speaker and supple diaphragm, they deliver balanced stereo sound and rich bass | Support Wireless Charge and USB C Charge:These sports bluetooth headphones support USB C charge and wireless charge (Not Included). You can charge the case by using the USB C cable or placing the case on a wireless pad to protect the charging port | Stereo and 60 Hours Playtime:These wireless bluetooth headphones switch seamlessly between stereo and mono modes, working together or separately. Each bluetooth ear buds can offer 10 hours of playtime per charge, with the case providing 60 hours total | LED Digital Display and Designed for Sports:The LED digital display shows the battery power level of the case and the charging statues of the bluetooth ear buds . Flexible, soft earhooks ensure a secure fit during exercise and long wear, suit for sports | One Step Pairing and One Button Control:Pick up the sports wireless earphones from the case to auto-power on and pair with your device. Compatible with iOS, Android, tablets, and laptops. Use either earbud to control music, calls, and active Siri