Multi-language translation: Support for up to 144 language translation functions, to meet the global language communication needs of users. Comfortable wear: The design is comfortable, it is not easy to wear fatigue, and the user can maintain comfort for a long time. Automatic pairing: With automatic pairing function, easy to use, users can connect the device with simple operation. Long battery life: It has battery life, ensuring that users can use it for a long time during travel or work without frequent charging. Bluetooth technology: Using the V5.3 Bluetooth version, with more stable connectivity and higher transmission speed, to provide users with a smoother translation experience. Stereo surround sound: Support surround sound effect, provide a more realistic, immersive audio experience, so that users feel a more vivid language communication atmosphere. Unique gift choice: Intelligent voice binaural translation headset, is a unique gift choice, let your friends and family feel intimate care. Seamless language communication: Send this translation headset to your international friends to break down language barriers and facilitate smoother cross-cultural communication. Bluetooth version :5.3 Battery input : 5VA Headphone battery capacity :30mAh Charging bay battery capacity :300 Duration of use with a single headset :about 5-6 hours Sensitivity :104+3dB Frequency response range :20-20000HZ Supported protocol :HSP/HFP/A2DP/AVRCP Dimensions :33*18.4*19mm/1.3*0.7*0.75 inches Charging bay dimensions: 50*44.5*24.7mm/ 1.97*1.75*0.97 inches Color: White, black Material: ABS Wireless distance: 10m Packing list: Instructions. Data cable. Headphones