... ΩBattery weight: about 7.5gApplication:1. Telecommunications: Cellular phone, interphone, bluetooth earphone.2. Vedio Devices: MP3/MP4/MP5, digital camera, portable DVD ... ΩBattery weight: about 7.5gApplication:1. Telecommunications: Cellular phone, interphone, bluetooth earphone.2. Vedio Devices: MP3/MP4/MP5, digital camera, portable DVD ...