Details*Features* - *Unique neck-strap design for maximum portability*Ultra-light weight for all day comfort*Vibration alert for calls*Magnetized earbuds for easy storage*Noise reduction & echo cancellation*Specifications* - Version - Wireless 4.0Battery - Battery 3.7V 180mAhStandby Time - Up to 300 HoursTalk Time - Up to 7 HoursMusic Play Time - Up to 6 HoursCharging Time - ＜2.0 HoursOperation Temperature - -10℃-60℃Colors - white, black, blue, yellow, purple, red, green, hot pink (Optional)Size - 16.8 x 1.8 x 13.5cm/6.6''x0.7''x5.3'' (L×W×H)Weight - 176.9g/0.39lbsPackage Size - 16.2 x 2.2 x 19.5cm/6.38''x0.87x7.68'' (L×W×H)Package Weight - 222.9g/0.49lbs*Package Lists* - 1 x Wireless Sports Stereo Headset1 x Charging Cable1 x User Manual4 x Silicone Earcap