Specification:Color: Black / RedBluetooth version: V4.2Battery capacity: 40mAhMusic time: app 2 hours Play time: app 2.5 hours Charging time: 1 hourStandby time: app 180 hours Effective distance: 10 meters Bluetooth headset weight: 18.5gLength of line: 63cmFeatures:1.Latest Bluetooth 4.2 version, more stable and faster transmission.2.Waterproof,sweatproof and Anti-drop design.3.Perfectly compatible with all kinds of Bluetooth product.4.Ear wing specially designed for sports,no fear to fall off.Package included:1 x BE9 Sports Wireless Earphone1 x User Manual1 x Charging Cable100% Hot and High QualityWe will carefully test every item before shipment.Notes:Due to manual measurements, please allow an error of 1-3 cm.Due to problems between different monitors, the image may not reflect the actual color, please refer to the actual product.If there is a problem with the product, please contact us.Thank you for understanding.FEEDBACK:1.If you are satisfied with our products and services,please leave your postive feedback and 5 stars.2.If you don't satisfied our products,pls contact us before you leave negative feedback.we guarantee we will 100% slove any problem for you and make you satisfied.SERVICE:1.We care about our valued customers,and will always try to help you,hope to establish long business with you.2.Please contact us by Jumia Customer service before leaving any negative feedback or opening and dispute on the site. Please give us the opportunity to resolve any problem.Thank you.100% Hot and High QualityWe will carefully test every item before shipment.Notes:Due to manual measurements, please allow an error of 1-3 cm.Due to problems between different monitors, the image may not reflect the actual color, please refer to the actual product.If there is a problem with the product, please contact us.Thank you for understanding.FEEDBACK:1.If you are satisfied with our products and services,please leave your postive feedback and 5 stars.2.If you don't satisfied our products,pls contact us before you leave negative feedback.we guarantee we will 100% slove any problem for you and make you satisfied.SERVICE:1.We care about our valued customers,and will always try to help you,hope to establish long business with you.118.Please contact us by Jumia Customer service before leaving any negative feedback or opening and dispute on the site. Please give us the opportunity to resolve any problem.Thank you.