1,Multi Function: High performance version V5.0 EDR wireless chip, stable output performance, support for voice customization, automatic switch machine, save time and effort. 2,Long Battery Life: This hands free speakerphone has a built in 1200 mAh battery, 1000 hours of long lasting battery life, and about 20 hours of continuous talk time. 3,Volume Increase: Built in digital amplifier, which can greatly increase the volume and sound effects, the new silicone microphone, the call is as clear as face to face. 4,Multi Point Connection: Car bluetooth kit, advanced multi point connection, support two mobile phones online at the same time, 10m or 32.8ft wireless transmission distance. 5,Noise Reduction: Built in DSP noise suppression function, CVC8.0 dual noise reduction technology, 4Ω 3W speakers, provide high definition stereo sound, clearer calls. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.