BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our sport headset adopt advanced Wireless V4.2 with multi-point technology, simultaneously connect with 2 mobile devices, high-sensitive inbuilt mic with noise canceling technology, deliver crystal clear stereo sound with transmission range up to 32.8ft without barrier. Inbuilt 220mAh rechargeable battery and equipped with USB charging cable, 9Hrs unstoppable HD sound music or 15Hrs continuous call while only 3Hrs fully be charged. Multi-functions can be achieved via pressing MFB (Multiple Function Button) button and +/- (Volume/Track adjustment) Buttons. Skin-friendly ear tips, adjustable left/right headset wires and magnetic collar of headset provide an optimal seal and snug fit to wear your headset in place. Optimal for running, jogging, hiking, yoga, exercise, gym, fitness, traveling, etc. due to sweat-proof performance.