TWS 5.0 F9-5 Sport Stereo Earphones Charging Box 9D Waterproof Earbuds

Description ?Model: F9-5c TWS earphone ?Color: black, white ? version: V5.0 ?Charging voltage: DC 5V ?Microphone sensitivity: -42db ?Working temperature: -10-50?C ?Frequency response range: 20-20000Hz ?Sensitivity: 120db /- 5db ?Transmission distance: 10m ?Charging time: about 1 hour ?Listening time: about 4-5 hours ?Cumulative battery life: about 220 hours ?Earphone battery capacity: 50mAh ?Charging box battery capacity: 1500mAh (actually about 1200-2000mAh) Package included: ?2 * headset ?1 * Charging box ?1 * Charging cable ?1 * User Manual