Product Dimensions: 1.7x1.97x1.19 inch Highlights: 1.CVC Noise Cancellation 2.8 Hrs Unstoppable Music and 2 Hrs Fully Charged 3.IPX7 Waterproof Details: *Features*:**Crystal Clear Sound*:Latest Wireless 4.1version with multi-point technology,simultaneously connect with 2 mobile devices with high quality and high speed signal transmitting,offering impressive crystal clear stereo sound with the 32.8ft maximum distance connectivity. Adopt high-sensitive microphone with CVC noise cancellation technology to reduce ambient noise,grasp the details of voice and offer crystal clear sound even in a noisy environment. **User Friendly and Multi-use*:Featured with MFB(Multiple function button) Button and+/-(Volume/Track adjustment) Button,simply and quickly fulfill almost all functions like answer/end a phone,play/pause,pairing,power on/off,etc. Easy operation and brings you much convenience. **8 Hrs Unstoppable Music and 2 Hrs Fully Charged*:Inbuilt with 110mAh rechargeable battery and equipped with USB charging cable,8 hrs unstoppable HD sound music while only 2 hrs fully be charged. **IPX7 Waterproof and Widely Use*:IPX7 Water-resistant Nano-coating efficiently protects sport earphones from sweat and ensures more guaranteed life span. Enjoy music freely in outdoor thanks to its IPX7 Waterproof design. Optimal for running,jogging,hiking,yoga,exercises,gym,fitness,traveling,etc.. **Snugly Fit and Stable Wearing*:Adopt soft ear tips,20.87inches clamp loop and auricle-shaped hook,adapt to ear canal to provide a perfect seal and snug fit to wear your earphones in place. Closely fit and never worry about falling out of your earphone even when you are running.&nbsp;*Specifications*:Product Type: Wireless Sport Earphones Wireless Version: Wireless 4.1+EDR Chip: CSR8635 Transmission Range: 10m/32.8ft (Without Barriers) Transmission Frequency: 20-20000Hz SNR (Signal to Noise Ratio): -42&plusmn;3dB Impedance: 32&plusmn;15%&Omega; Music Play /Talk Time: 8Hrs Charging Time: 2Hrs Charging Input: 5V/100mA-1000mA Earphone Battery Capacity: 110mAh (Left ear inbuilt with 1 battery) Standby Time: 250hrs Waterproof Level: IPX7 Waterproof and Sweat-proof Performance Material: ABS+PC Materials Micro USB Length: 26cm/10.24inches Neck Cable Length: 53cm/20.87inches Earbud Diameter: 1cm/0.39inches Per Earbud Size (With Earhook): 4.3x5x3cm/1.70x1.97x1.19inches Item Weight (With Earhook): 20g/0.045lbs *Package Lists*:1 &times; Sport Earphones 1 &times; Micro USB Charging Cable 1 &times; User Manual

Wireless Headset IPX7 Waterproof Sport Headphones In-Ear Wireless4.1 Stereo Earphone Noise Canceling Neck Earbuds