With high reproduction and low distortion, this sports headphone offers you HD-compatible sound quality. To enable you to enjoy smooth gameplay, this sports headphone has powerful transmission efficiency with no lag. This sports headphone is constructed of abs material. The length is 17cm, the width is 15cm and the height is 2cm. This sports headphone is suitable for Android, for iPhone, and digital devices with Bluetooth-compatible. Item Name: Sports Headphone Material: ABS Features: Bilateral Stereo, Reduce Noise, Air Conduction Bluetooth-compatible Version: V5.3 Channel: Stereo Usage: Neck Hanging Type Single Or Bilateral Ear: Bilateral Stereo Voltage: DC 5V Transmission Distance: 10M Frequency Response Range: 20Hz-20kHz Battery Capacity: 150mAh(Included) Horn: 13mm Impedance: 16 Ω Music Playing Time: About 12 Hours Standby Time: About 100 Hours Charging Time: About 2 Hours Waterproof: IPX5 Size Details: L: 17cm or 6.69", W: 15cm or 5.91", H: 2cm or 0.79"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sports Headphone 1 x USB Charging Cable 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.