Introduction:Strong enough to sustain accidental drops， water spills or mishandling Rubber jacket for durability. Perfect for Cycling or any outdoor adventurers and activities never go without music ever again or even answer handsfree calls with built in microphone. Easy handlebar attachment with thumb screw mount made easy for anyone. All the controls have been purposely simplified and made minimalistic as possible. So you can select functions without looking and finding the correct button. All buttons are water insulated and charge port has a integrated plug.Features 1. Durable rubber all round protection2. Weatherproof protection3. Bluetooth wireless connectivity upto 10 meters4. Playback 3 hours max volume longer on lower volume 5. Handsfree with built in microphone6. Provides clear sound delivery7. Rechargeable lithium Battery8. With Answer call pause/play skip tracks forward/backwards 9. Internal microphone for bluetooth call functionality take calls without touching your device10. Small size powerful soundControl your music or change tracks all via bluetooth from your mobile devices 10 meters away. this frees you to roam， which means you'll always have high quality sound near or far.The Cycling speaker is light weight it won't slow you down and is small enough to fit in whatever you're carrying outdoors.Bluetooth conferencing Take that call thanks to the speaker bluetooth capability and internal microphone. it makes talking on the phone easier and better sounding than ever before. Specifications1. Bluetooth 3.0 technology 2. Power supply: Built In 3.7V 400mAh lithium rechargeable battery 3. Rated Voltage: DC 5V 4. Rated Impedance: 4?5. Rated Power: 3W 6. Drive: ��40mm 7. SNR: 84 dB 8. Speaker: 3W�� 40 ?9. Charging time: 2-3 Hours 10. Working time:.3-6 Hours 11. Transmission Range: up to.33 feet (10 meters) in open area 12. Frequency: 2402MHz - 2480MHzISM Band 13. Net Weight��185g14. Product: Dimensions��15.5x7.6x6.8cm 15. Package Weight:280g 16. Package Dimension:18x12x7.5 cmPackage:1x Bluetooth Speaker 1x USB charge cable 1x English User Manual