Symphony

These wireless headphones come with a 20 USB charging cable, a 38 audio input cable, and a drawstring travel pouch. TF card play and speaker phone capability functions are built in. They have up to 10 hours of playing time per charge of the 400mAh battery.These wireless headphones come with a 20" USB charging cable, a 38" audio input cable, and a drawstring travel pouch. TF card play and speaker phone capability functions are built in. They have up to 10 hours of playing time per charge of the 400mAh battery.