Pack the house with unlimited music for straight up to 30 hours. Dual noise isolation feature cancels your external disturbances. The wireless version 5.1 delivers HD audio with magical hues around black, blue, green, red, and yellow. Wireless Version- 5.1 Battery Capacity- 200mAh Transmission Distance- 12m Music Time- Up to 30 Hours Talking Time- Up to 35 Hours Standby Time- Over 400 Hours Charging Time- 1.5Hour Charging Type- Micro USB