Specifications:Chipset: CSR chipsetBluetooth Version: V4.0 + EDRBluetooth Profile: A2DP， AVRCP， HSP， HFPStream multimedia: Music， Audio， Video， Podcasts， GPSUsage time: 3 to 4 hours (Base on the volume level)Standby time: up to 80 hoursCharger time: 2 hoursWorking Distance Range: 33ftFrequency Range: 2.4GHz to 2.480GHzBattery: Li-on batteryIOS Battery Displays: YesSiri: YesPackage Included:1 x Earphone1 x Instruction1 x USB cable (Micro port)