Mini Ultra-Small Universal Wireless Bluetooth Headset Earphone

Outstanding Voice quality, listen music anywhere Almost Compatible with all cellphones that have a Bluetooth function Soft in ear earbud design, no need earhook also can use World's smallest mini bluetooth headset headphone earphone for smartphone cell phone mobile/smartphone calls This section world's smallest micro stealth to mono Bluetooth headset, the main telephone conversation NOTE: Bluetooth pairing : please press the power button for about 5 seconds until you see blue-red light blinking alternately (each light last for 1 second.) In this mode, it is for device pairing Bluetooth Version: V4.0 Color: As in the picture Operating range: 10m Wearing Type: In-ear, Ear Hook Function: Answering Phone, Microphone, Noise Cancelling, Stereo Application: Computer, Mobile Phone, Tablet PC Talk Time: 3 Hours Standby Time: About 120 Hours Charging Time: About 2 Hours Bluetooth protocol: HSP, HFP Interface: Micro USB Frequency Range: 2.4GHz-2.4835GHz Battery Type: Built-in Rechargeable Battery Size: 22 x 22 x 22 mm / 0.87 x 0.87 x 0.87 inch Net Weight: 10 g / 0.35 oz