1、4 Translation Modes: They feature four versatile modes, silence mode, speaker mode, earbud mode, and double ear mode. This flexibility allows you to choose the most suitable mode for any setting. 2、144 Languages and Real Time Translations: These translating earbuds support over 144 languages and offer real time translation capabilities with 14 voice options. Powered by four advanced translation engines, they achieve a 97% accuracy rate, covering more than 90% of the global population. With 15 global servers, you can expect low latency translation in as little as 0.5 seconds. 3、Powerful Battery Performance: Equipped with a high capacity battery and a unique power management algorithm, they provide up to 3 to 4 hours of continuous use on a full charge and a standby time of 60 days. 4、Ergonomic and Compact: Designed with ergonomics in mind, these compact earbuds fit comfortably according to the shape of your ear, featuring a hook design that allows for extended wear without discomfort or burden. 5、HiFi Stereo Sound: These earphones are equipped with premium speakers that deliver an immersive sound experience. Not only do they excel in translation, but they also provide outstanding sound quality for music listening and phone calls. Item Type: Language Translator Earbuds Material: PC, ABS Charging Case Battery Type: Li Battery (Built in) Charging Case Battery Capacity: 300mah Earphone Battery Type: Li Battery (Built in) Single Earphone Battery Capacity: 40mah Number of Earphones: 2 Bluetooth Version: 5.4 Effective Distance: 10-15m / 32.8-49.2ft Headset Charging Time: 1h Headphone Standby Time: 60 days Headphone Playback Time: 3-4 hours 2 x Earphones (Inside Charging Case) 1 x Charging Case 1 x Charging Cable 1 x Lanyard 1 x Instruction Manual 1 x Storage Bag