Features 1、Super-long stand by (hands-free working time: about 17-20 hours, stand-by time: about 1400 hours / 60 days). 2、It can link two phones at the same time. 3、Intelligent matching links tablets, mobile phones, desktop computers and laptops. 4、Portable design, can be used as tele-conference device, including hands free calling, incoming call number reading, voice control, last call redial, mute, reject incoming call. 5、Bluetooth in car speakerphone requires no installation and can be easily caught in the car sun visor. Specification Description: This portable mini-designed Bluetooth speakerphone is specially designed to give you convenience of wireless communication. With advanced built-in microphone, this speakerphone creates an outstanding full duplex sound quality for you.This product is designed with built-in rechargeable battery that can be charged random by the equipped charger. Features: 1. Super-long stand by (hands-free working time: about 17-20 hours, stand-by time: about 1400 hours / 60 days). 2. It can link two phones at the same time. 3. Support Headset and Hands-free profiles high sensitivity microphone to deliver HD Voice, noise cancellation technology. 4. Portable design, can be used as tele-conference device, including hands free calling, incoming call number reading, voice control, last call redial, mute, reject incoming call. 5. Bluetooth in car speakerphone requires no installation and can be easily caught in the car sun visor. Specifications: Size: 10 * 7.5 * 3.5cm / 3.94 * 2.95 * 1.38inch Bluetooth Standard: 5.4 + EDR Wireless Range: 10M Charger Output Current: DC5V 1.5A Built-in Battery: 3.7V 600MA Talk Time: 17-20 Hours Standby Time: up to 1400 hours / 60 days Package Weight: 156g Product plus Accessories Net Weight: 123g Package Included: 1 x Speakerphone 1 x USB Cable 1 x Car Charging Adapter Notes: This device is with rechargeable battery. It's strongly recommended to make it fully charged before using. Normal full charging time is 3 hours. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List