Got this stuff from ebay years ago. It is simple to use. The earhook fits comfortably in my ear. The sound is crisp and clear. It tooks me 1 day before I have to recharge the battery.
Full Specs: - Bluetooth V3 Handset - Connect with Two Devices at the Same Time - Easy Pairing Feature - Noise Isolation - 70mAh Recharge Battery - Micro USB Charging Port - Talking Time : up to 4.5 Hours - Standby Time : up to 100 Hours - Size : 52H x 17.8W x 6.4D (mm) - Weight : 7g net