Brand DIWEINUO Model D1 Quantity 1 Color Black + white Bluetooth Version Bluetooth v2.1 + EDR Ear Coupling Earbud Talk Time 2 Hour Standby Time 80 Hour Operating Range 10 meter Compatibility V2.1 Microphone Yes Radio FM Radio Supports Music Format MP3 Power Supply Built-in battery Built-in Battery Capacity 200mAh Compatible With Iphone / Ipad Other Features Display screen: 0.66 inch; Supported language: English / Chinese; Supports Micro SIM card to achieve GSM 2G phone function (850 / 900 / 1800 / 1900MHz); It can be a cell phone (talking / massage) after inserting the phone card; Mini Bluetooth dialer which can connect with Iphone Samsung HTC etc smart cell phones; Making phone calls and copy the phone book; In-ear headset design easy and convenient operation. Packing List 1 x Bluetooth headset 3 x Ear caps 1 x EU plug power adapter (100~240V) 1 x USB cable (11cm) 1 x Ear hook 1 x Clip 1 x Chinese / English user manual