1. ABS engineering material speaker with delicate touch. 2. Mini portable, convenient to carry around. 3. Life waterproof to meet the needs of daily life. Brand: Lenovo Model: L01 Charging voltage: DC 5V Frequency response range: 20-20000HZ Size: 45*45*48mm Weight: 53.6g Material: ABS engineering material TWS: 10 meters Battery capacity: 400mAh