Sunvito Portable Wireless Bluetooth Speaker,Mini Outdoor Waterproof Speaker with 1800mAh Battery (MIC for Hands-free Calling,Line in,USB,TF Card) for iPhone Samsung Galaxy Note and more Great sound quality + pairing easily: Bluetooth 3.1 + EDR standards technology assures smooth signal transmission and easy pairing to your devices up to a range of 10m Multi-function: Support Bluetooth,TF card,USB,line in,allow the speaker to connect to media devices with and without Bluetooth capability Long working time: Built-in 1800mAh rechargeable battery and low power consumption,ensures up to 6~10 hours of playback(according to the playing volume). It only takes about 2 hours to fully charge the speaker.With the USB charging cable,you can recharge it from your laptop,USB hub and desktop Waterproof + Easy to carry: This speaker is not only waterproof,but also dustproof and anti-drop,mini size of (L x W x H) 4.88 inch x 2.36 inch x 1.49 inch / 124mm x 60mm x 38mm. All make it ideal for outdoor actitivities Compatible with: Portable Bluetooth speaker fully compatible with iPhones,iPad,iPod, iMac, Macbooks/ Samsung Galaxy, Samsung Galaxy Note, Google Nexus, Nokia Lumia, Motorola, HTC & other Android tablets