Features: 1.Built?in echo cancellation and noise reduction technology, the call is clearer and brings you a better call experience. 2.Can connect two mobile phones at the same time, support for Siri and for Google Assistant functions, to bring you more convenience. 3.Support multiple language switching (English, Chinese, French, German, prefix, Japanese, default). 4.One?click answer and end calls, save time and improve your driving experience. 5.Excellent ABS material, durable, not easy to wear, has long service life, compact, light weight, easy to carry. Specification: Condition: 100% Brand New_x000D_ Item Type: Wireless Car Speakerphone_x000D_ Material: ABS_x000D_ Color: As the Picture Shown_x000D_ Model: T823_x000D_ _x000D_ Bluetooth: 5.0 + EDR_x000D_ Bluetooth Frequency: ISM2.4GHz-2.48GHz_x000D_ Effective Distance: Approx. 10m/10.9yd_x000D_ Rechargeable Battery: 3.7V, 500mAh (Built in)_x000D_ Charging Time: 2-4 Hours_x000D_ Working Time: Up to 20 Hours_x000D_ Standby Time: Up to 100 Hours