MKB S1 Pro ANC Earbuds

MKB S1 Pro ANC/ENC True Wireless Earphones. Brand MKB Model S1 ProVersion V5.3 Communication distance 10 miter Music time about 6 hours (70%of the volume, ANC off)Music time with a charging case 18-22hours Battery capacity 40mAh/0.148Wh (earphones）320mAh/1.184Wh (charging case) Earphone rated input DC5V—40 mAh Charging case rated input DC5V—250 charging time about 1.5 hours Frequency response range 20Hz-20kHz Charging interface Type-C Suitable for Compatible with all wireless devices.