X9 Wireless Bluetooth 5.0 Earphones deliver reliable audio performance with built-in microphone for seamless calls and music streaming. Featuring Bluetooth 5.0 connectivity, these earphones pair effortlessly with smartphones, tablets, and compatible devices within a 10-20m range. Key specifications include a 55mAh battery supporting up to 24 hours of total playback time, with approximately 8 hours of continuous use per charge. The sealed earcup design with silicone ear pads provides sound isolation for immersive listening, while the 20mm driver delivers balanced audio across a 20Hz-20kHz frequency response range. Built-in controls allow easy volume adjustment and call management without reaching for your device. The waterproof construction makes these earphones suitable for everyday use in various conditions. Cable charging ensures convenient power replenishment, and the included user manual provides setup guidance. Compatible with iPhone, Samsung, Huawei, Xiaomi, and other Bluetooth-enabled devices, the X9 earphones offer practical wireless audio for work, fitness, and daily commuting.