Headphone TWS True Wireless Stereo V50 EDR Inalmbricant connection Effective distance 10m Suitable battery capacity 300mAh Headset capacity 35mAh Autonoma3hs Charge time 70 minutes Led indicator of batera percentage in case Micrfono Included Frequency response 20Hz 20KHz Handheld cable 105db 3db Micro Load port