If you need choose colors, welcome to contact us freely, otherwise, we will send colors randomly, thanks

Bluetooth 4.2+EDR Technology: Optimized Bluetooth 4.2 version allows stable and fast audio transmission, easy to connect to your Bluetooth devices in seconds. Free switch among Bluetooth music and TF and MP3: Built-in TF card slot, can switch at any time. Long standby time: Playing time up to 3.5 hours, using it at ease. Widely compatible for iOS and Android.

Specification: Color (optional): black, white Frequency Response:20Hz-20KHz Continuous use time:3.5h Standby time:120h Bluetooth version: 4.2+EDR Transmission distance: 7-10m Input power:93mW Charging time:0.5h Battery capacity: 75 mA Battery voltage: 3.2-4.2V Standby Current (Bluetooth connected):15mAA Play music current (maximum volume):25.1mA (TF card 26.3mA) Working rated voltage:4.10V Low voltage alarm: 3.3V Low voltage shutdown: 3.1V Pairing timeout shutdown: 10 minutes Charging current: maximum 70mA (Charge will not automatically shut down) Charging display: red light refer to charging, blue light to full Supports Languages Translation: Chinese, English, Cantonese, Classical Chinese, Japanese, Korean, French, Spanish, Thai, Arabic, Russian, Portuguese, German, Italian, Greek, Danish, Dutch, Polish, Bulgarian, Estonian, Danmai, Finnish,Swedish, Czech, Romanian, Slovenian, Hungarian, Tradtional Chinese, Vietnamese

Package Included: 1 * Bluetooth Translation Receiver 1 * USB Charging Cable 1 * User Manual

The delivery time is around 10-20 working days after your purchase