[Truly Wireless] TWS K9 Stereo bluetooth Earphone With 2200mAh Charger Bo Power Bank

More Details:Features:1. Dual bluetooth earphone, truly wireless, they could be used in individual or in pairs.2. 360 stereo sound effect, creates an immersive musical experience for you.3. Large capacity charger box, 2200mAh, and its small enough to carry in your pocket.4. Emergency power bank, it could be power supply for your phone when neccessary.5. IPX4 waterproof, fully protect your devices for splash, rain, moist and etc.Specifications:General SpecificationModel TWS-K9ColorWhite, Blue, RedWearing Type In-earNet Weight (g) 3.8g (each earphone)Technical Parameters Microphone Yes bluetooth Version v4.1 Transmission Distance 10mFrequency Response 20-20000Hz Charger Battery Capacity 2200mAh Battery Capacity 45mAh, 3.7V Charging Time (h) 1hours Talking Time 3 hours Working Time (h) 3 hours Standby Time (h) 100 hoursPackageIncluded:1* TWS-K9 bluetooth Earphone1* Charging Cable1* Manual