Specification:GeneralReceiver: DIColor: BlackReceiverPlayback without Unplugging Receiver: YesPower Supply: Via the mobile device connectedLightning: YesTransmitterDimensions: 31 × 15 × 16.4 mmWeight: 5 gSample Rate / Bit Depth: 48 kHz / 16-bitSignal-to-Noise Ratio: ＞ 80 dBMax SPL: 120 dBOutput Mode: MonoNoise Cancellation: One-clickFrequency Response: 20 Hz - 20 kHzLatency: 25 msHuman Voice Enhancement: Voice Changer 3-LevelTransmission Range: 100 mBuilt-in Mic: 6 mm Condenser MicrophoneBattery Life: 6 HoursClip: MetalHuman-machine Interaction: Via physical buttonsPower Supply: Built-in Lithium-ion BatteryCharging CaseDimensions: 67.4 × 48.4 × 22.5 mmWeight: 29 gBattery Capacity: 260 mAhPacking List1x Transmitter1x Receiver (Lightning)1x Magnetic Charging Cable1x Carrying BagWarranty2-Year Brand Warranty