1、Built-in 90 mah battery, standby time up to 180 hours, talk time up to 7 hours. 2、33 languages simultaneous translation, 3 major translation engines switch at will(for Baidu, Microsoft, Google). 3、Lock screen translation, no need to open the APP, multiple modes to choose, communication is more convenient. 4、3 modes: headphone mode, binaural mode and speaker mode can be switched at will. 5、For IOS phone can display the battery usage. Features: 1. Built-in 90 mah battery, standby time up to 180 hours, talk time up to 7 hours. 2. 33 languages simultaneous translation, 3 major translation engines switch at will(for Baidu, Microsoft, Google). 3. Lock screen translation, no need to open the APP, multiple modes to choose, communication is more convenient. 4. 3 modes: headphone mode, binaural mode and speaker mode can be switched at will. 5. For IOS phone can display the battery usage. Specification: Bluetooth version: 4.1 Support Agreement: HSP/HFP/A2DP/ Charging cable: Micro USB Battery: 90mah Talk time: about 7 hours Listening to music time: about 7 hours Standby time: 180 hours Charging time: about 1-2 hours Supported languages: Chinese, English, English (UK), English (Australia), English (Ireland), English (South Africa), Hindi, Indonesian, Cantonese, Chinese (Traditional) Danish, Arabic, Polish, German, Russian, French, French (Canada), Finnish, Korean, Dutch, Czech, Romanian, Portuguese, Portuguese (Brazil), Swedish, Japanese, Thai, Turkish, Spanish, Spanish (Mexico) , Greek, Hungarian, Italian Package Size: about 17.5*8*3cm/ 5.89* 3.15* 1.18inch Color: black, white(optional) Package List: 1 * Bluetooth Headset 1 * Data Line 1 * Instruction Manual 1 * Ear Hook 1 * Headphone Bracket