Feature:1. Builtin 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. Oneclick 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 NewItem Type: Wireless Car SpeakerphoneMaterial: ABSColor: As the Picture ShownModel: T823.Bluetooth: 5.0 + EDRBluetooth Frequency: ISM2.4GHz-2.48GHzEffective Distance: Approx. 10m/10.9ydRechargeable Battery: 3.7V, 500mAh (Built in)Charging Time: 2-4 HoursWorking Time: Up to 20 HoursStandby Time: Up to 100 HoursPackage List:1 x Wireless Car Speakerphone 1 x Bracket1 x Instruction1 x USB Charging Cable