JBL TUNE 115TWS features Battery: 55 mAh Bluetooth: 5.0 Colour: Black Driver type: 0.2″ / 5.8 mm Impedance: 14 Ohms Frequency response: 20 Hz to 20 kHz Sensitivity: 102 dB Battery life: Up to 6 hours, Up to 15 hours from charging case Charging time: 2 hours
