1. POWERFUL TRANSLATION ENGINE: Bluetooth translator earphone supports 11 system languages, 144 languages online translation, powered by 6 top translation engines for 99% translation accuracy. No need to pay and translation speed is only 0.2s. 2. THREE TRANSLATION MODES: Touch mode (one headset for each person) Outgoing mode (one person wears headset and one person holds phone) Free speech mode (two people each wear one headset and translate in real time). 3. LONG STANDBY TIME: Smart voice translator earbuds can play continuously for 45 hours and can be used for a full day with a 24hour long battery life after charging with charging bin. Full charge can standby for 710 days for a long time. 4. EFFECTIVE AND FAST: research and development to build translation engine background, so that communication is more effective and fast, and more small languages be continuously updated to background. 5. BLUETOOTH 5.1 CHIP: Language translator earbuds has binaural HD microphone, clear and anti interference calls. Equipped with Bluetooth 5.1 master slave switching chip, whether it is more convenient to translate or listen to songs. Item Type: Language Translator Earbuds Product Model: J101 BT Version: 5.1 Playback Format: Monaural, Binaural Function: Bluetooth Playback, Speaker, Voice Activated Dialing, Translation BT Distance: . 10m/32.8ft Talking Time: 3-4 Hours Playback Time: 4-5 Hours Charging Time: About 1 Hour Standby Time: 7-10 Days Input Current: 5V1A Frequency Range: 20-20000HZ Battery Type: 2 x Built In 30mAh (Headphones), Built In 300mAh (Charging Case) Lithium Ion Battery Support 11 System Languages: Chinese, Chinese Traditional, English (American), French, Russian, Thai, Japanese, Korean, German, Spanish, Arabic How to Use: Connect and use Note:Support 74 languages, 70 spoken languages, 144 in total. Armenian (Armenia), Basque (Spain), Punjabi (India), no support for voice playback Color:White Material:ABS Package Contents: 1 * Translator Earphone 1 * Charging cable Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.