Bluetooth Wireless Stereo Bass Earphones Grey

Operation Range: Up to 10 meters (no obstacle) Frequency Response: 20Hz-20KHz Sensitivity: 101±3dB Impedance: 32Ω Battery capacity: 170mAh Working Time: about 16-18 hours Standby Time: about 170 hours Charging Time: about 2 hours Charge Port: Micro USB • The receiver can rotate 180 degrees and be worn in both left and right ears. • Support BT power display, keep abreast of Headphone Power and charge it in time. • Equipped with 170mAh large capacity batteries, long standby time, ensures 16-18 hours of working time. • High-sensitivity microphone reduces ambient noises and grasps the detail of voice, ideal for in-car calling or working use. • Ergonomic design, 12g lightweight, mini size and 3 sizes of earcaps provide you long time wearing comfort, and guarantees stability when walking, running and more.