G Pod Pro by Goui Additional Music: GPod Pro's 20-hour battery life allows you to spend more time listening to your music. Up to two hours of playback can be obtained with a quick 10-minute Fast Fuel charge when your battery is low. Active Noise Abatement: Completely adaptable The noise around you is continuously monitored by Active Noise Cancelling, which then develops a finely tuned filter to cancel noise whenever you desire. Calls that are crystal clear: GPod Pro's upgraded voice-targeting microphones provide you with excellent call quality. To improve the clarity of your voice, these strong microphones actively filter out background noise. Qualities: Calls are crystal clear. On-ear controls with multiple functions Active noise cancellation with ANC Sound without loss Twenty hours of playtime Two Microphones Version 5.3 of Bluetooth Frequency: 50 Hz to 5 kHz A battery Two 28mAh earbuds and a 200mAh charging case