Bluetooth speakers work as wireless chargers

The C12Pro model from All Best Technology Ltd is a Bluetooth speaker with a docking station for the iPhone. The multifunction model can display time and temperature on its LCD. FM radio, alarm clock and handsfree calls are also supported. Frequency response is 70Hz to 20kHz and S/N ratio is 65dB. Distortion is less than 1 percent. It has a Lightning connector and two USB ports for other smartphones. The model can power up three devices at the same time.

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Desay Infor Technology Co. Ltd’s Bluetooth 2.1-enabled model LSP-978 speaker features aptX lossless decoding for a CD-like audio quality. The model is fitted with 30W driver units. Multiple line-in modes are supported, namely 3.5mm, RCA, digital optical, coaxial and USB audio input. The slim unit measures850x130x60mm.

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Dongguan Arun Industrial Co. Ltd's model MX01 Bluetooth speaker has two 10W driver units with an impedance of 4ohm. S/N ratio is 85dB and distortion is less than 10 percent. Frequency range is 20Hz to 20kHz. The unit has a 3.5mm interface. Product dimensions are 105x170x128mm.

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Supporting Bluetooth 2.1+EDR, Layon International Electronic & Telecom Co. Ltd's BP078RE model can pick up calls for handsfree operation. It has a Micro-USB and a 3.5mm interface for other devices. NFC is supported. The unit is powered by a rechargeable battery, which yields 8 hours play and 10 hours talk times. Product dimensions are 184x47x47mm.

The model TB-BTS26 Bluetooth speaker from Shenzhen Dolphin Electronic Co. Ltd facilitates wireless charging for Qi-compatible smartphones and tablets. Aside from working as an audio device, it functions as an alarm clock and a temperature display. It allows NFC for pairing with other devices. The Bluetooth 3.0-enabled product supports A2DP, AVRCP and HSP protocols. Frequency range is 60Hz to 18kHz. Product dimensions are 204x140x76mm.

Adopting a TI wireless charging solution, the Apow Speaker from Shenzhen Vintu Technology Co. Ltd can power up Qi-enabled smartphones. It can likewise recharge its own 8,000mAh Lipolymer battery, providing up to 12 hours playback time. The unit has two rotatable 8W speakers and a built-in microphone for handsfree calls. USB, TF card and 3.5mm aux-in are supported.

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