The latest Bluetooth version : V4.1+ EDR｣ｬlow power consumption｣ｬsuperior performance<br /><br />Easy to connect with your phone ｣ｬcan be paired with up to 2 phones at the same time<br /><br />Up to 20 hours of talk time and 30 days of standby time<br /><br />Support SIRI if you connect it with iphone<br /><br />Equipmentped with high definition 2W speaker and high sensitivity microphone providing crystal clear sound<br /><br /><br />Speciafication <br />Bluetooth Version: Bluetooth V4.1 + EDR <br />Wireless range: Up to 10 meters <br />Speaker: 2W Speaker <br />Battery:3.7V｣ｬ650mah Li-ion battery <br />Talk time: Up to 20 hours <br />Charging time: 2-3 hours <br />Size:5.12*1.97*0.51(in)<br /><br /><br />Package included:<br />1 x Bluetooth 4.1  Speakerphone <br />1 x Micro USB charging cable<br />1 x Car Charger<br />1 x Iron Holder(Visor Clip)<br />1 x User Manual<br />1x Manual