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HiFi sound quality, bringing full and stereo listening experience. Built-in noise reduction system can purify ambient noise and make binaural communication clearer.Ergonomic in-ear design, stable and not hurt the ear, comfortable to wear.Sensitive fingertip touch operation can easily realize the operations of playing music, answering and hanging up the calls, etc.1000mAh charging case ensures 60 hours standby time, 4 hours music playing time, no need to worry about power shortage.

Specification:Brand: LenovoModel: HT18Color: BlackBT version: V5.0Transmission distance: 10mBT matching name: HT18Driving unit: 8mmFrequency response range: 20-20KHzMusic time: About 4 hoursStandby time: About 60 hoursCharging time: About 1 hourBatteryEarbud size: 2.5 * 1.6cm /0.98 * 0.63inCharging case size: 7.5 * 4.8 * 2.5cm /2.95 * 1.89 * 0.98in