Features:1. No delay, good sound quality.2. Support two devices to connect. After the connection, the control of the other station can be realized synchronously.3. Built-in high-definition microphone, support hands-free calling, when connected to the phone, you can answer or hang up with one click.4. Lanyard design, enjoy high quality music anytime, anywhere.5. Compatible with all kinds of mainstream Bluetooth devices.Specifications:General Specification Brand USAMS Model US-YX002 Color Black, Red, Blue, Green, Yellow Material ABS+Silicone Net Weight (g) 80g Dimensions (cm/ inch) 76*60*64mmTechnical Parameters Microphone Yes Connectivity Bluetooth Bluetooth Version 4.2 Transmission Distance 10-15m Output Power 3W SNR ≥-85dB Frequency Response 200-8KHz Battery Capacity 200mAh, 3.7V Charging Time (h) 2h Working Time (h) 3-4hPackage Included: 1*US-YX002 Mini Bluetooth Wireless Speaker 1*Charging Cable 1*Manual100% 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.