Multiple Languages Translation: Support up to 16 languages translation. You can download peiko app and speak to the earphone, then it will translate into the voice of the country you want. Bluetooth True Wireless Connection: Optimized Bluetooth 4.1 versi High Fidelity Audio Output: Built in 8mm moving coil speaker which allows HiFi audio effect and keeps bass more surging, bring unexpected smooth and clear music to your ears. TWS true wireless in ear design: mini and compact, no messy wire and easy to wear, stable and comfortable for driving, running, travel, and other indoor or outdoor activities. Listen Longer: Built in 90mAh rechargeable lithium battery, ensures super endurance, support playing for up to 5 to 8 hours, talking for up to 4.5 hours. Widely compatible for / / and more.