【Real-time Translation】VTrans V17 supports simultaneous interpretation for multiple languages, ideal for international business meetings and conferences. 【Versatile Communication Modes】Offers various modes including dual-earphone simultaneous translation, speaker mode, touch control mode, and photo translation to suit different scenarios. 【Extensive Language Support】Capable of translating over 100 languages and dialects, including major world languages and regional variants. 【Advanced Bluetooth-compatible Connectivity】Utilizes Bluetooth-compatible 5.3 technology with JL AC7003D8 chipset for stable and efficient wireless communication. 【Multi-functional Controls】Features touch controls for easy operation and supports noise cancellation with three modes: transparency, noise cancellation on, and noise cancellation off. Specifications: Product model: VTrans-17 Bluetooth-compatible version: V5.3 Bluetooth-compatible solution: JL AC7003D8 Bluetooth-compatible protocol: HSP/HFP/A2DP/AVRCP/SBC/AAC Bluetooth-compatible receiving distance: 10 meters (under standard environment) Frequency response range: 20 Hz ~ 20 kHz Product impedance: 32Ω±15% Sensitivity: 94±3dB/1mW @1kHz (IEC-711 at 1KHz) Transmission range: >10 meters Transmission frequency: 2.402–2.481 GHz Speaker type: Ф13mm Microphone type: 2.75*1.85*0.9mm, omnidirectional silicon microphone 2718 MEMS Microphone Noise reduction mode: The phone defaults to normal mode. Press and hold the left and right earphones for 1.5 seconds to switch between the three modes: transparent mode-noise reduction on-noise reduction off Noise reduction effect: about -25db Battery capacity: earphones: 30mAh*2; charging case: 400mAh Charging time: about 2 hours Charging method: TYPE C Charging voltage/current: DC 4.7~5.5V Standby/working time: power off standby: about 100 days; full charge call/music: about 4 hours Dimensions: earphones: 33*23*25mm; charging case: 61.5*48*28.5mm