Products specification Version: 5.0 Input: DC 5V Battery capacity : 3.7 V/ 50mAh Talking time: 2-3 hours Charging time: 40-50 min Profile support: HSP / HFP / A2DP /AVRCP Sensitive: 120 5dB Frequency response 20~20000Hz Impedance: 32Q Wireless pairing A. Long press the multi-function buttons of both sides at the same time until the LED flashing in red and blue alternately or blue, and release your hands, the both sides could pair automatically. Remark: The earphones could be self-paired once open, but if it's not paired, pls refer to the below steps to pair the earpieces. B. Long press the multi-function buttons of both sides at the same time until the LED flashing in red and blue alternately. Then double click either side to enter pairing mode. When they are paired successful, the main earphone continue to flashing in red and blue alternately and the another earphone flashing in blue once every 5 seconds . C. Turn on the Bluetooth on your device and choose TSD-BT908 to connect, when the LED of both sides flash slowly in blue, the earphones connect with your device successful. D. The earphones will be automatically paired after the first pairing is successful. Earphones and cell phones are automatically linked if earphones working for the same used cell phones. Or manually select the TSD-BT908 to connect again if the earphones working for another phones. 1. Change instruction:
A. Earphones charging indicator: The red light on when the earphones is charging,and the red light off Automatically after the earphones full of power. B. Charging case charging indicator: The blue light's on when it's for earphones charging, and red light's on when it*s charging. The lights will be off when they are full charged. 2. OFF Long press the function key for several seconds, and RED light's on firstly, then power off. When the earphones is paired, turns one of the earphones off, the either side will be off automatically. 3. CALL When the earphones on and connected with phone, making & answering phone call is supported Headphones work on both sides of the phone, and there's incoming call, it would broadcast calling numbers. Caller number alert, press the function key on working earphone can response calling, and long press for rejected. Press function key to hang up the calling. In call volume could be adjusted by mobile. 4. Listen to the music Listening to the music is supported after mobile phone connected with earphones. MODEL NO.:I7 Doc No.: R&D-I7 Page 1 of 2 Press function key to stop the music, re-click to start the music. Double click the function key to call back. Precautions 1. The earphones should be stored in a dry and ventilated environment, to avoid moisture and dust affecting product performance. 2. Avoid using stimulus, organic solvents or items containing these ingredients to dean the earphones. 3. The use of earphones should be correctly as per the specification, pay attention to use the influence of environment on the earphones. In order to ensure the smooth connection, it's recommended that the distance between the earphones and phones within 10 meters. If the earphones failed to connect or with poor connection, pis do not take apart the earphones or the accessories on your own, Otherwise, no warranty. 4. 5. Regarding charging earphones. Pls use the standard usb cable or pointed charging cable from our company to charge the earphones. In order to ensure normal use, please ensure sufficient power of the earphone. 6. FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. MODEL NO.:I7 Doc No.: R&D-I7 Page 2 of 2