BOSE Bluetooth earphone Cell Phone Earphones boss true wireless headphone second-generation noise reduction and waterproof application, Black

Detect the sound in the ear, identify unnecessary noise, and issue signals for correction, fade out the interference of background sound, and emit clear and high fidelity sound signals The high-performance carp battery can be fully charged in just two hours, followed by 20 hours of heartfelt listening. Even if the battery runs out, you can still use the included earphone cable to continue listening to music The shipment will be made the second day after placing the order, including customs clearance and shipping costs. The international package is expected to have a logistics time of 7-18 days, and the UPS/TNT/DHL/USPS four major express delivery is expected to take 5-10 days..syi