Description: Dual Wireless bluetooth Headset 5.0 Hi-Fi Stereo Sound i7s i12 i18 v8TWS Music Item Specifics: Type: bluetooth Earphones bluetooth version: V5.0 Use: Earbuds Channel: Stereo Button: Touch button Waterproof level: IP7 Standby time: 120 hours Call duration: About 5-6 hours Charging time: About 30 minutes Listening to the song: About 3-4 hours Transmission range: 10 meters Support Agreement: HFP/A2DP/AVRCP Battery voltage: 3.7V Battery type: polymer lithium battery Battery capacity: 50m - Ah (bluetooth earphone), 1200m - Ah (Charging Box) Function: Power display, voice control, call function, support tone Occasions: Employee benefits, awards commemoration, advertising promotions, festivals, trade fairs, public relations planning, birthday, business gifts Features: – IP7 waterproof and sweatproof. – Low power consumption, stable signal. – Call and listen to songs for 4 hours, long battery life. – bluetooth V5.0 wireless connection, fast transmission rate – 1200 m - Ah large capacity, can charge the phone emergency. – Ergonomic design, perfectly fits the contour of ear, comfortable to wear. – Unique texture. - Compact and lightweight, easy to carry. – Automatically boot, automatic pairing, automatic connection, it is so convenient. – The transmission distance is stable and the transmission distance is 10 meters. – Binaural call, siri voice, random to answer left and right;Intelligent noise reduction, clear communication. Package Included: 1 X bluetooth earphone 1 X Charging Box