Wireless Speaker,With Watchband and prepared hole for Ribband, Anti-sweat,very good for cycling,running,dancing.
Built-in Rechargeable Battery, Support Micro-TF Card. Working time about 6 hours. can work Self-sufficiency with TF Card,portable for vocation.
Built In Microphone,support Hands-free,very convenient for calling：Redial / Callback/ Hang up/Answer only with the Push of a Button
High quality voice:Bluetooth 4.1,very stable signal and range up to 10M coverage;
Compatible with all Bluetooth enabled devices like mobile phone,tablet,TV. good for outdoor sports and also useful in home.

Technical Details

Size (LWH): 6.6 inches, 3.5 inches, 1.6 inches
Product Details
Product Dimensions: 6.6 x 3.5 x 1.6 inches
Shipping Weight: 0.2 pounds (View shipping rates and policies)
ASIN : B0154HB5WA