Bluetooth speakers, wireless mobile phone, tablet, laptop computers, wireless music playback
International standards, using bluetooth 3.0 + EDR/V3.0, 10 meters range wireless connection (empty)
Built-in high quality 16 core double magnetic speaker, perfect sound quality
With voice calls, call quality is clear, no reply
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Built-in lithium electricity, sustainable play 2 hours, the power supply: DC charging (5 V - 1000 ma, 500).
Bernard frequency range: 150 Hz - 20 kHz
B. Signal-to-noise ratio: 85 dB, output power: 3 * 1 w
Bernard resistance: 4 Ω