Features:Very easy to use and set up, Broadcom technology, high quality. Compatible Bluetooth specification: V4.1 + EDR, backward compatible with V3.0,V2.1,V2.0,V1.2,V1.0. Built-in Powerful Magnet, it is convenient to take it off or fix it. With its Magnetic Clip, the speakerphone can be attached to your car"'"s sun visor Quickly and easily. Built in CSR Chipset,advanced noise suppression and echo cancellation. Built in high power speaker and microphone, make it the best assistant for your phone. With voice prompts, voice operating instructions. It can tell you to pair the phone, when you turn on/ turn off speakerphone or phone, it also tell you. etc. Full Duplex & high Performance Speaker. Bluetooth transmission distance of up to 10 meters. Phones and speakerphone will be connected automatically after pairing. Compatibility:All iPhone"'"s, iPad"'"s and iPod Touch, Android smartphones - HTC, All Droids, Samsung, Smartphones Specifications:Size: 130mm x 49mm x 15mm Rechargeable battery or DC 5.0V,400mA Car Charger Bluetooth version: Bluetooth V4.1 + EDR Operating frequency: 2.4GHz-2.48GHz SIM Bluetooth V4.1, Class 2, Working range of up to 10 Meters Protocols supported: HSP and HFP Multi-device pairing : Pairing records with 8 Bluetooth mobile phone Standby time: 1000 hours/41 days Talk time: 15-20 hours Charging time: about 3 hours Charging voltage: DC 5.0V,1000mA Rechargeable Battery: 650mAh Package Include: 1x Multipoint Speaker Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-32cm deviation. Thanks!