POWER_ON_2017 (When power on) SEARCHING_BLUETOOTH (When pairing) When battery is 3.4V,low battery prompt tone start to every 2.5 Minutes play one time .When battery voltage less than 3.3V,will power off automatically. Charge:use DC 5V/1000mA micro USB port charger to charge. Bluetooth search name: Hang Tight When did not connect bluetooth for 2 minutes,will power off automatically.When connect bluetooth successfully and did not play for 15 minutes will power off automatically. Quiescent current: less than 15 uA Bluetooth transmission range:not less than 30 meters. FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules.
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FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment . ISEDC WARNING This device complies with Innovation, Science, and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.