Features: 1. The Bluetooth hands-free has a built-in powerful magnet, which is dedicated and convenient for wireless communications. 2. The sunshade hanging structure does not take up space, and the call quality is very excellent. 3. With an advanced built-in microphone and a DSP solution with echo cancellation and noise suppression, the speaker creates an excellent sound quality for you. Specifications: 1. Bluetooth version: V4.1 and EDR, English voice 2. Operating frequency range: 2.4 - 2.48GHZ 3. Bluetooth audio processing: A2DP 4. Bluetooth connection range of 10 meters, 5 minutes away from the scope of automatic shutdown. 5. Support Hands-Free, Headset, AVRCP and other Bluetooth protocol specifications 6. Memory up to 8 Bluetooth mobile phones 7. Built-in DSP noise suppression and echo cancellation, allowing you to open the window at 120 yards speed can still clear call. 8. Equipped with high-fidelity speakers, allowing you to enjoy mobile music, with a high-sensitivity microphone. 9. Battery type: polymer lithium battery, 5v, 500mAh 10. Charging time: about 3 hours 11. Talk time: continuous talk for about 8 hours 12. Standby time: continuous use up to 50 hours / 2 days 13. Input voltage: 5V Speaker power: 2W Package Includes: 1 x Bluetooth Handsfree Speakerphone 1 x USB cable 1 x User Manual 1 x Iron Holder 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.