Brand Cannice Model iblue6 Quantity 1 Color Black Bluetooth Version Bluetooth v4.0 Ear Coupling Earbud Talk Time 4 Hour Standby Time 120 Hour Operating Range 10 meter Compatibility Compatible Bluetooth v4.0 or below versions Microphone Yes Supports Music Format MP3 / WMA Power Supply Built-in Battery Built-in Battery Capacity 300mAh Compatible With Cell phone and tablet PC with Bluetooth function Other Features CVC noise reduction; iOS system can display the battery; It can connect two devices at the same time; Supports A2DP AVRCP; Chipset: CSR. Packing List 1 x Bluetooth headset 1 x Ear hook 1 x USB charging cable (22cm) 1 x Chinese user manual 1 x Backup earbud