34YD BQ618 Cuffie Bluetooth con cancellazione del rumore, wireless, per sport e corsa

Features: brand new and high quality Built-in microphone, support digital echo-cancellation technology with digital Bluetooth-compatible 4.1, easy to match device, stable connection, high transmission speed, and strong applicability. Intelligent bluetooth-compatible, wireless high-fidelity, suspended micro high-fidelity sound effect. The music gives you a powerful power. Comfortable and considerate design around the ears to provide you energy whenever you are running, doing fitness or cycling. Ergonomic designed,not only can isolate the distractions around you, but also can let you wear it without fatigue. Specifications: Material:ABS Color:White/Black Output power: 32 ohms 45mW Frequency Response: 200Hz-2000Hz Sensitivity: 120db±3db Signal-to-noise ratio: ≥90DB Distortion: 0.5% standard: Bluetooth-compatible 4.1+EDR Power supply: built-in lithium battery 190mAh When charging: 3 hours Effective distance: 10 meters Working hours: more than 10 hours Standby time: 250 hours Charging Micro USB Size:Approx. 150x165x35 mm/5.9x6.49x1.37 inches Package Includes: 1x Bluetooth-compatible Headphone Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.