Condition: 100% brand new Item type: Intelligent Translation Bluetooth Transmitter Material: ABS Color: black Weight: Approx. 37g Type: Translator Frequency response: 20Hz-20KHz Continuous use time: about 3.5h Standby time: about 72 hours Bluetooth version: 4.1 plus EDR Transmission distance: about 7-10m Input power: 93mW Charging time: about 0.5h Battery capacity: 70 mAh Battery type: polymer lithium battery Standby current (Bluetooth connected): 15mA Music playback current (maximum volume): 25.1mA (memory card 26.3mA) Working rated voltage: 4.1V Battery cycle life: 300 times cycles, greater than 80% of initial capacity Low voltage alarm: 3.3V Low voltage shutdown: 3.1V Pairing timeout off: about 10 minutes Charging current: maximum 70mA (charging will not automatically turn off) Charging display: red light means charging, blue light means full Support language translation: Chinese, English, Japanese, Korean, French, Spanish, Thai, Arabic, Russian, Portuguese, German, Italian, Greek, Danish, Dutch, Polish, Bulgarian, Estonian, Finnish, Swedish, Czech, Romanian, Slovenian, Hungarian, Vietnamese 1、Multiple languages ??translation, support up to 26 languages ??translation. You can open the app and speak to the earphone, then it will translate into the voice of the country you want. 2、For bluetooth 4.1 + EDR technology, optimized version for bluetooth 4.1 allows stable and fast audio transmission, easy to connect to your devices for bluetooth in seconds. 3、HIFI audio output, provide HIFI audio effect and keeps bass more surging, bring unexpected smooth and clear music to your ears. 4、Free switch among music for bluetooth, memory card and MP3. Built?in memory card slot, can switch at any time. 5、Mini and compact, no messy wire and easy to wear, clip design allows stable and comfortable for driving, running, travel, and other indoor or outdoor activities. 6、Long standby time, playing time up to 3.5 hours, using it at ease. 7、Widely compatible for IOS and for Android. 1 x Bluetooth conversion headset 1 x USB charging cable 1 x Adapter 1 x User Manual