Bluetooth receiver distance: 10 m
Continuous talk time: 7 hours Standby: 150 hours Play music time: 3-4 hours
Audio frequency:20Hz-20KHZ Signal to noise ratio:95Db Lithium battery：Built in 180mA polymer
Audio harmonic distortion is less than 0.1% Maximum input voltage：5V/DC 500mA
Headphone output power：5MW Storage temperature：-20°C-80°C Product accessories：USB line ，Color card manual，Blister packaging

Technical Details

Size (LWH): 8 inches, 6.8 inches, 2.7 inches
Product Details
Product Dimensions: 8 x 6.8 x 2.7 inches
Shipping Weight: 0.15 pounds (View shipping rates and policies)
ASIN : B016PLHSH0