Speaker: Φ50mm 5W3Ω
Signal to noise ratio :90dB
Frequnecy response range :20-20Khz
Bluetooth disance: 10M
Battery capacity: 1200mAh
Working voltage: 3.7V
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ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea