CRDCsmart Bluetooth Speakers， Wireless Speaker 2600mAh Rechargeable Battery 8 Hours Playing Dual 5W Stereo 2 Channel Drive 4.0， Waterproof IP65 Speaker for Outdoor Sport MP3/4 Music Phone Call[Product Information]- Dual 5W Power Audio - Stronger bass and higher quality sound. Perfect for travel， bicycle/Bike， cycling， climbing， camping， hiking， running， fishing etc outdoor sports use.
- Advanced Technology - Bluetooth 4.0 speaker system， connect your device in 3 seconds， outstanding connection range of up to 30 feet (10 meters) pairing for mobile phones， tablets， laptops.
- Durable Shell - Waterproof IP65， Splashproof， Shockproof， Dustproof with soft protective case. Loudest sound portable bluetooth speaker makes you enjoy music when in shower/outdoors/sports freely.
- Rechargeable Battery - Built in rechargeable 2600mAh battery， supports up to 8 hours playing time with a single charge. Built in high sensitivity MIC， 3.5mm Audio in Jack， connect the phone to answer and call the phone.
- How to Recharge - To charge the unit， simply connect the speaker to any active USB port or adapter using the USB charging cable. The speaker can be fully charged in around 4 hours. When fully charged， the red LED will turn off.
