Description‎:‎ This small sized bluetooth speaker is a perfect choice for you if you just need one‎.‎ The advanced technology makes abundant stereo audio and excellent loud sound in such a small portable size‎.‎ Don‎'‎t miss it‎!‎ Features‎:‎ 1‎.‎ Built‎-in Rechargeable Battery for about 3 to 5 hours of playtime according to the volume level‎.‎ 2‎.‎ High Quality Clear Sound‎:‎ Powerful 52mm diameter speakers and advanced technology make abundant stereo audio and excellent loud sound in such a small portable size‎.‎ 3‎.‎ Fashionable and Stylish Design‎:‎ small size make Bluetooth Speakers Personalized and Modern to demonstrate the style and spirit of youth‎.‎ The USB reader can also read TF or SD card‎.‎ 4‎.‎ Built‎-in Microphone for hands‎-free speaker phone calling‎.‎ 5‎.‎ It is very lightweight ‎- makes Bluetooth Speakers really easy to carry just anywhere ‎(‎at home‎,‎ at the gym‎,‎ when exercising‎,‎ camping‎,‎ traveling‎,‎ even camping‎)‎‎.‎ Specification‎:‎ Shell Material‎:‎ Plastic Color‎:‎ Black‎,‎ White‎,‎ Blue‎,‎ Red ‎(‎Optional‎)‎ Length‎:‎ 15cm / 6inch Diameter‎:‎ 5.2cm / 2inch Output Power‎:‎ 3W * 2 External Magnetic Speaker‎:‎ 4‎?‎ 3W Input Sensitivity‎:‎ 400MV Resolution‎:‎ ‎?‎ 90dB SNR‎:‎ ‎?‎ 88dB Operating Voltage‎:‎ DC 5V Frequency‎:‎ 50Hz‎-20KHz Battery Capacity‎:‎ 1000mAh Standby Time‎:‎ About 10‎-12 hours Play Time‎:‎ About 3‎-5 hours according to the volume level Package Weight‎:‎ 375g Quantity‎:‎ 1pc Package included‎:‎ 1 x Bluetooth Speaker 1 x Charging Cable Note‎:‎ 1‎.‎ Please allow 1‎-3cm error due to manual measurement‎.‎ Thanks for your understanding‎.‎ 2‎.‎ Monitors are not calibrated same‎,‎ item color displayed in photos may be showing slightly different from the real object‎.‎ Please take the real one as standard‎.‎