Brand POler Model B017 Quantity 1 Color White Bluetooth Version V2.1 Ear Coupling Earbud Talk Time 4 Hour Standby Time 100 Hour Operating Range 10 meter Compatibility All the devices with Bluetooth Microphone Yes Supports Music Format MP3 Power Supply Built-in Battery Compatible With All the devices with Bluetooth Built-in Battery Capacity 80mAh Other Features Interface: Micro USB; Volume key power button; Volume adjustment: 7-mode (every mode 3dB); Supports A2DP high quality music play; Low power consumption; Multipoint connection (supports connect to two phones at the same time) Packing List 1 x Bluetooth earphone 1 x USB cable (50cm) 1 x Single wire earphone (48cm-cable) 1 x Ear-hook 1 x English user manual