Product Description:    Note that this translation headset needs to be downloaded from the APP on the scan manual to perform language translation. Now the supported language translation is 80+, and the language of the APP will be updated at any time. This is a headset that is shared by the translation headset and the sports headset. Thank you       language supoprt:    Arabic, Polish, German, Russian, French, Finnish, Korean, Dutch, Czech,  Romanian, Portuguese, Japanese, Swedish,  Thai, Turkish, Spanish, Greek, Hungarian, Italian,  English, Hindi, Indonesian, Vietnamese, Persian, Cantonese, Kurdish, Persian, Slovak, Bulgarian,  Hebrew, Malay, Norwegian, Croatian, Khmer       Earbuds:    Wireless Range:10m(in an obstacle-free environment)  Battery Capacity:50mAh(per earbud)  Charging Time:Approx.1.5h  Talk Time:Approx. 4h  Standby Time:Approx. 60h  Input:5V==100mA  Battery Type:Lithium Polymer  Wireless connectivity: Bluetooth-compatible 5.0  Bluetooth-compatible Profiles: HFP/A2DP/ HSP/AVRCP  Translation language: 80+(Need to download APP)       Charging Case:    Input:5V==500mA  Output:5V==150mA  Charging Time:Approx.2h  Standby Time:Approx. 1months  Battery Capacity:300mAh  Battery Type:Lithium Polymer  Net Weight of a single earphone :about 6.0g  Net Weight of the charging box :about 35g  Total Net Weight of the box:95g  Official Package including  x2 Earbuds  x4 Earbuds Cap   x1 Battery Case   x1 User Menu