Brand SOUND FRIEND Model SF-SH011B Quantity 1 Color White + red Bluetooth Version V3.0 + EDR Ear Coupling Over the Ear Talk Time 8~10 Hour Standby Time 180 Hour Operating Range 10 meter Compatibility V3.0 and the earlier version Microphone Yes Radio N/A Supports Music Format MP3 Built-in Battery Capacity 3.7V 260mAh Compatible With The devices with Bluetooth V3.0 and the earlier version BQB Certification No Other Features Built-in li-polymer battery capacity: 3.7V 260mAh; Time: about 8 hours; Bluetooth model: Bluetooth headset handset-free; High quality and stylish; Listen to MP3 consumption time: about 4 hours; Listening to FM consumption time: about 8 hours Packing List 1 x Headset 1 x USB cable (70cm) 1 x Audio cable (95cm) 1 x Chinese / English user manual