BINAI B22S Wireless bluetooth Earphone Magnetic Noise Cancelling Stereo Neckband Headphone with Mic

Features: 1. Adopted 13mm driver units, provide rich immersive bass for you. 2. CVC 6.0 noise cancelling technology, reduces the environmental interference and bring you natural and clear sound. 3. Strong Magnetic design, the earbuds could attached to each other or the end of neckband by magnetic force. 4. IPX4 waterproof, protect the earphone from sweat, moist, splash and prevent corrosion effectively. 5. Adopted CSR chip, bluetooth 4.2 verison, provides you stable connection and transmission in high speed. 6. Simultaneous connection, this earphone could be connected with two bluetooth devices at the same time. 7. Free to fold, Elastic cord design comfortable to wear. 8. Beveled into the ear and headphone head curved design, Double-sided availability, Wearing more Comfortable. 9. Endurable battery life, full-charged only need 1.5 hours, Music time up to 8-10 hours. Specifications: General Specification Brand BINAI Model B22S Color Black, Black+ Red Wearing Type Neckband Technical Parameters Microphone Yes bluetooth Version V4.2 Transmission Distance 10m Receive Sensitivity 116dB Impedance 32 Frequency Response 20-20kHz Battery Capacity 135mAh, 3.7V Charging Time (h) 1.5h Working Time (h) 8h Standby Time (h) 120h Package Included: 1* BINAI B22S bluetooth earphone 1* Micro USB Charging Cable 4 pairs of eartips 2* Memory sponge earplugs 1* Manual