DigiEspow Mini Portable Wireless Universal Bluetooth Multi-point Speakerphone Package Details:1 x Speakerphone.1 x USB Car Charger.1 x USB Cable.1 x User Manual.1 x Sun Visor Clip Specifications:Multipoint support: allows a speakerphone connecting to two phones.Support secure simple pairing. Advanced echo and noise cancellation.Full duplex & high performance speaker. RF Output Power: Class 2 (up to 10 meters) .Support Profiles: HSP.HFP 1.5 profiles .Talk Time: Up to 16 hours .Standby Time: Up to 45 days Bluetooth Profiles: Headset Profile (HSP), Heads-Free Profile (HFP) .Bluetooth Frequency Range: 2.4GHz-2.48GHz .AC/DC Charger: DC 5V to 6V, 400mA . Battery Type: DC 3.7V, 650mAh rechargeable lithium battery (Nokia BL-5B compatible) .Battery Charging Time: About 3 hours .Talking Time: Approx. 3 hours .Charging Voltage: DC 5.0V, 400mA .Bluetooth Speaker Size: Approx. 115 x 45 x 14mm (L x W x H) .Bluetooth Speaker Weight: 45g (without battery)