Features:1.Active noise canceling for tuning out the outside noises2.Enjoy all day calling with up to 7 hours of play time.3.Reproduces your favorite tunes with detailed sound and powerful bass.4.Slender and lightweight neckband design (carrying bag included) so that it is always handy and comfortable to wear.5.Smart Wireless 5.0 pairing for quick access, auto connecting to the last paired phone when turned on.6.Built-in echo cancellation for clearer calls.Description:This headphone has slender and lightweight neckband design so that it is always handy and comfortable to wear.Specifications:Transmission range :10 mBattery Capacity:130mAhWaterproof:IPX5Charging time:1hWorking time:7hPackage Included:1*Headphone

Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.