Product Dimensions: 3.19x3.19x1.57 inch Highlights: 1.CRYSTAL CLEAR SOUND WITH CVC6.0 NOISE CANCELLATION Details: *Features*:**SPORT STYLISH HEADSETS*:Adopt advanced noise cancellation technology and high sensitive microphone to deliver HD immersive stereo sound when exercising. 3-size(S/M/L) ear tips fit securely in your ear canal and form a general seal for additional passive noise reduction. Ear hooks fit securely and comfortably on your ears when you are workout. In-line remote button achieves multiple functions and achieve hands-free call. **CRYSTAL CLEAR SOUND*:Latest Wireless V4.1(CSR Chip) with multi-point technology,simultaneously connect with 2 mobile devices with high quality and high speed signal transmitting. Adopt high-sensitive CVC6.0 noise cancellation microphone to reduce ambient noise,grasp the details of voice. Also adopts advanced aptX codec provides pure,CD-like high quality sound for compatible devices. **MULTI-USE &amp; EASY OPERATION*: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,remote camera control etc.. Easy operation and brings you much convenience. **4.5 HRS UNSTOPPABLE MUSIC &amp; 2 HRS FULLY CHARGED*:Inbuilt with 80mAh rechargeable battery and equipped with USB charging cable,4.5Hrs unstoppable HD sound music while only 2 Hrs fully be charged. **SWEAT-PROOF &amp; PORTABLE CASE*:Sweat-proof to protect our headsets from corrosion. Designed with a carry case with a charging cable,only weighs .37lbs,portable and always on the go. *Specifications*:Product Type: Wireless Sport Earphones Wireless Version: Wireless4.1 Noise Cancellation: CVC 6.0 Transmission Range: 10m/32.8ft (Without Barriers) Transmission Frequency: 20-20000Hz SNR (Signal to Noise Ratio):108dB/mW Impedance: 16&Omega; Music Play /Talk Time: 4.5Hrs Charging Time: 2Hrs Charging Input: 5V/200mA Earphone Battery Capacity: 80mAh Material: PC Materials Color Available: Black, Blue, Pink, Yellow Micro USB Length: 26cm/10.23inches Neck Cable Length: 49cm/19.29inches Earbud Diameter: 0.8cm/0.31inches Carry Case Size: 8.3x8.3x3.5cm/3.27x3.27x1.38inches Per Earbud Size (With Earhook): 5x4x1.7cm/1.96x1.57x0.67inches Item Weight: 17g/0.037lbs *Package Lists*:1 &times; Wireless Earphones 1 &times; Micro USB Charging Cable 1 &times; Pair of Small Ear Tips 1 &times; Pair of Large Ear Tips 1 &times; Removable Cable Clip 1 &times; Carrying Case 1 &times; User Manual

Wireless Headsets V4.1 Sport In-Ear Stereo Headphones Sweat-proof Neckband Earbuds