Features: Primary Sound Quality soak up yourself in a world of excellent audio with these Bluetooth subwoofer headphones. Adopting the generation 40mm large active coil driver, experience strong and high-resolution sound quality, bringing a truly immersive listening experience. Long lasting battery life: Equipped with advanced low-power technology and large capacity lithium batteries, it can play up to 10 hours of music on one charge. The convenience of wireless music is within arrive, making these headphones very suitable for long-term use. Comfortable Ergonomic Design These foldable earphones are designed for comfort and come with soft earmuffs, providing a comfortable wearing experience even during long listening periods. Say goodbye to discomfort and enjoy the audio experience. Lasting Structure: This earphone is features sturdy metal arms and stainless steel craftsmanship, enhancing its durability. The reinforced headphone arm ensures stability, ensuring rapport of mind in daily use. Wireless Convenience Keep connected and control through easy-to-use features such as volume adjustment, call management, Bluetooth playback, voice prompts, etc. Product Description: Product Name: Headworn Bluetooth Earphones Colors: blue Charging time: 2 hours Battery: 300mAh Transmission distance: 10 meters Product size: 20x16x5cm (7.84x6.30x1.97 inches) Packaging size: 21.5x19.5x5.7cm (8.46x7.68x2.24 inches) Gross weight: 172 grams (0.38 pounds) Package Contents: 1x earphones 1x charging cable