Come and see our amazing products. Bluetooth headphones provide faster pairing, more stable connectivity with your Bluetooth enabled cell phones, tablets, laptops,etc. And the updated 130mAh polymer Lithium battery allows you to make hands-free call or listening music on the go but without worrying about it running out of energy.Waterproof and sweat-proof technology for the Bluetooth earphones, let you enjoy the audio performance freely even in the light rain or tense sweat. As a sports partner, this lightweight neckband earphones perfect for your daily activities or on the go: running, jogging, hiking, climbing, bicycling, yoga, gym workouts and other sports you like. Pls confirm further with us if any query about packing info, inventory status and time schedule.