Secure Back-Hanging Design Perfect for active use, these wireless Bluetooth earbuds stay in place during workouts, offering comfort and stability High-Quality Stereo Sound Enjoy crisp highs, powerful bass, and clear calls with immersive sound quality Seamless CallMusic Switching Easily switch between calls and music with convenient controls for track skipping and playpause Dual Device Connectivity Stay connected to two devices simultaneously with the one-to-two function, allowing you to switch between devices effortlessly Long Battery Life Extended battery life with low power consumption, plus iOS battery display support Specifications Bluetooth version V5.3 Channel system Stereo dual channel Battery capacity 100mAh Driver unit 10mm Charging time 1.5 hours Talk time 6 hours Music time 6 hours Supported protocols HSPHFPA2DPAVRCP Input charging standard DC 5V 300MA Bluetooth operating frequency 2.400GH-z-2.480GH-z Best call distance Maximum transmission distance 10M Voice prompt Support Multi-point connection Support Wearing method Back hanging