Features: - The latest Bluetooth version 4.0 + EDRvehicle speakerphone compatible with Bluetooth enabled mobile phones， laptop， tablet， or MP3 player.- Answer / hang up / call back / redial / reject/ volume control.- Advanced multiuse， can simultaneous dual phones matching and dual standby.- Adopting DSP noise reduction and echo cancellation technology， bring you an outstanding full duplex sound quality.- Equipped with HD 2W speaker and highly sensitive microphone， have a crystal clear sound and voice.- Voice call and broadcast is supported， can use your voice to make and answer the phone， support five language.- Transfer switch calls， support the private telephone conversation.- Built-in rechargeable 650mA lithium battery for extra long standby time.- Suitable for all vehicle model，convenient kit to cliped to the car's sun visor.- Also can serve as conference speakerphone on desk when you are at home， in office， etc.- Use it to listen music and song track.Specifications: - Working frequency range is ISM 2.4 GHz to 2.48 GHz.- Wireless connected distance is up to 10 meters.- Charge output is DC5 - 6 V 400 mA.- Hands-free working time is about 17 hours，stand-by time is about 1000 hours ( 41 days )，while the charging time is about 3 hours.Type: Other Decorations Model : BT LD-168 Material : Plastic Color : Black Package weight: 0.234 kg Product size (L x W x H) : 11.8 x 4.6 x 1.6 cm / 4.64 x 1.81 x 0.63 inches Package size (L x W x H) : 12 x 18 x 5 cm / 4.72 x 7.07 x 1.97 inches Package Contents: 1 x Bluetooth Speakerphone， 1 x USB Cable， 1 x Car Charger， 1 x Bilingual User Manual in Chinese and English