Bluetooth V3.0 technology Hands-free calling on the go Built-in rechargeable battery This Bluetooth speakerphone allow to match two cellphone at the same time Description: 100% Brand NEW! High Quality! This portable mini-shape bluetooth speakerphone is specially designed to give you convernience and freedom of wireless communication，which can be used as hands-free car kit when you are in car or as conference speakerphone on desk-top when you are at home，office，etc.with advanced built-in microphone which adopts D.S.P. solution for echo cancellation &noise suppression，this speakerphone creats an outstanding full duplex sound quality for you. Bluetooth V3.0 technology Hands-free calling on the go Long talk time and standby time Built-in rechargeable battery Easy to install This Bluetooth speakerphone allow to match two cellphone at the same time Product Specifications: Bluetooth: V3.0 Frequency Response 2.4GHz to 2.48 Ghz unlicensed ISM band Rechargeable battery: 3.7 VDC 500 mAh AD/DC charger: DC 5 to 6V，400 mAh Bluetooth Profile: HSP/Handsfree Normal Charging Time: 3 hours(approx) Operating Range: Up to 10 meters Talk Time: Up to 20 hours Battery Type: Rechargeable lithium battery Package weight: 170g/5.99oz Package includes: 1x V3.0 Bluetooth Hands-free 1x Clip 1x Car Charger 1x USB Cable 1x User Manual