This streamlined sport wireless earphones let you listen to your favorite music during exercise and travel whether you’re dancing in room or on the subway. You’re free to connect to one device or two devices simultaneously within 32 feet. Its built-in microphone provides you the ability to talk hands-free and the in-line remote allows you play/pause music, adjust volume, switch tracks, redial the last number and more. Clear crisp sound Dual device wireless connection Auto voice prompts including phone number reports Built-in mic for hands-free talking Noise reduction and echo cancellation Volume /-, prev/next, play/pause, answer/hang-up/reject and more One-button the last number redialing Allows remote devices camera control Battery display on iOS devices Includes a variety of carcap options for personal fit and comfort Comes with carrying case Wireless version: V4.1 Input: DC 5V 200mA Battery: 70mAh rechargeable battery Frequency: 20Hz-20KHz Impedance: 16O Transmission distance: 10 meters/ 32 feet Noise reduction: CVC 6.0 Weight: 14g/0.49oz Carrying case size: 8.3×8.3×3.5 cm/3.27”×3.27”×1.38” (L×W×H) Package size: 10×14×3 cm/3.94”×5.51”×1.18” (L×W×H) Package weight: 49g/ 1.76oz Color: black 1 × Wireless Earphones 1 × USB Charging Cable 1 × Pair of Small Earcaps 1 × Pair of Large Earcaps 1 × Removable Cable Clip 1 × User Manual 1 × Carrying Case