SPECIFICATIONS Brand Name: APWIKOGER Hign-concerned Chemical: None Origin: Mainland China Certification: none Origin: Mainland China Translation period: 2 years of free use, no upper limit on the number of translated words Driver: 15mm Impedance: 32 OHM BT version: BT v5.2 EDR BT frequency band: 2.4GHz Power level: CLASS II Output power: 30mW BT distance: 18 meters without obstacles Frequency response: 20-20000Hz Translation Earbuds Real Time: Language Translator Earbuds Translation Headphones: Ai Translating Earbuds Headphones Wireless BT Translation Earbuds Real Time 144 Languages Language Translator Earbuds Noise Cancelling Ai Translating Earbuds Headphones for Travel Business and Learning Features: 1.Comprehensive Language Support: This translation earbuds supports 11 system languages and 144 online languages, powered by six top translation engines for an impressive 99% accuracy rate. 2.Versatile Translation Modes: Equipped with three translation modes, this language translator earbuds adapts to various communication scenarios. Touch mode allows real-time translation with a single touch. 3.Extended Battery Life: Enjoy continuous playback for 4-5 hours. With the charging case, the translation headphones lasts all day, with a standby time of 7-10 days on full charge. 4.Dynamic Language Updates: The ai translating earbuds supports 144 language translations with proprietary engine for fast and effective communication, promising future updates with more languages. 5.Multifunctional Experience: More than just a translation tool, these ai translating ear buds enhance daily listening experience with high-quality music playback through smart functions. Specification: Origin: Mainland China Translation period: 2 years of free use, no upper limit on the number of translated words Driver: 15mm Impedance: 32 OHM BT version: BT v5.2 EDR BT frequency band: 2.4GHz Power level: CLASS II Output power: 30mW BT distance: 18 meters without obstacles Frequency response: 20-20000Hz Working voltage range: 3.0V-4.2V Microphone sensitivity: -42dB With A2DP/AVRCP high-quality stereo audio transmission and remote control protocol Powerful noise reduction circuit (active noise reduction) Change between Chinese and English (turn on without connecting BT, press the change twice, and the change is successful when you hear the prompt tone) Charging time is about 1 hour (power on means charging: red light on, fully charged: red light off (blue light on).) Talk time is about 2-3 hours Music time is about 2-3 hours Standby time is about 96 hours Charging time is about 60 minutes Battery capacity 55MAH Charging power supply: DC5V power supply (round hole interface) (computer USB port, mobile phone charger, car charger) Size: 58.00x55.00x22.00mm/2.28x2.17x0.87inch Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. 1 x Charging Case 1 Pair x Earphones