Under Pillow Bluetooth Speaker Bone Conduction Sound Box Suitable For Stereo Audio

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Description- Bone conduction: Transfers audio via the bone, won't disturb others.- Long work time: Built-in polymer battery provides 10 hours music play and 300 hours standby.- Eas y to connect: Bluetooth 5.0, compatible with most phones and tablets.- Auto power off: Turns off automatically after 30 minutes.- Other function: Supports memory card for MP3 playback.SpecificationsType: SpeakerBluetooth version: 5.0Connection range: Approx. 10m/32.81ftMaterial: PlasticWorking voltage: 3.7-4.2VVocalism unit: Bone conductionFrequency response range: 20Hz-20KHzS/R rate: ≥60dBBattery: Polymer 400mAh (built-in)Music play time: About 20 hoursStandby time: About 300 hoursCharging voltage: 5V, 400mACharging time: About 2 hoursSize (LxWxH): Approx. 15.5x3.6x1.2cmChannel: 2Audio crossover: Full-rangeInput power: 25WRated power: 4WImpedance: 2ΩSensitivity: 32dBTotal Harmonic Distortion: 1%Package Include1 x Speaker1 x Charging Cable1 x User Manual Show more