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Bluetooth 4.2

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Bluetooth 4.2

An update to the Bluetooth (BT) standard designed for the Internet of Things (IoT). Introduced in 2014, BT 4.2 increased the payload size in the Bluetooth packet by 10, dramatically lowering the overhead to yield 2.5 times more data. BT 4.2 supports the low-power wireless personal area network (WPAN) version of IPv6 (6LoWPAN), which enables billions of devices to each have a unique IP address. It also supports beacon privacy, which prevents retail shops from sensing a user's presence (see iBeacon). See 6LoWPAN, Internet of Things, Bluetooth 4.1 and Bluetooth.
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It features dual-channel NFC 5-Watt Bluetooth 4.2 speakers, a built-in microphone, and a MicroSD card slot which supports cards up to 64GB.
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To make the device work, you need to first download the Huawei TalkBand app from the Google and Apple app stores and link through Bluetooth 4.2. It works with Android 4.4 and above and iOS 9 and above smartphones.
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Samsung has decided to include Bluetooth 4.2 connectivity in the Galaxy A6, while the phone measures 149.9 x 70.8 x 7.7mm.
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Other features include a dual SIM slot, dedicated microSD slot for expandable storage, rear fingerprint scanner, facial recognition unlocking, 4G, VoLTE, Bluetooth 4.2, and Colour OS 5.0, based on Android 8.1.
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Among the interfaces available on Ultra96 are: LPDDR4 memory, 802.11b/g/n Wi-Fi, Bluetooth 4.2 classic and Low Energy (BLE), USB 3.0 upstream and downstream, UARTs, JTAG and I2C.
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Each earpiece has a 5.7-mm dynamic speaker, a small electromagnetic transducer, NFMI technology and a Bluetooth 4.2 chip with Digital Sound Processing that allows for dynamic sound tuning and sound without interruption.
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Compatibility with Bluetooth 4.2 (called BLE: Bluetooth Low Energy) enables constant connection with a smartphone/tablet with minimum power consumption.
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