Shenzhen chengtai electronic and technology co.,LTD
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TG-902
Parameter specification
| BT version | V5.0 |
| RF transmit | class 2 |
| Transmission Range(HZ) | 2.402GHZ-2.480GHZ |
| Transmission distance | 10M |
| Working Voltage | 3.0V-4.2V |
| MIC sensitivity | -42db |
| Frequency(HZ) | 20HZ-20KHZ |
| Support profile | HFP,A2DP,AVRCP |
| Standby time | about 120hours |
| Playing time | 5-6hours |
| Talking time | 5hours |
| Charging base(full) provide power to Earphone | 4 times |
| SNR | >95db |
| Size | 75*43.5*34.5mm |
| Weight | about 60g |
| Battery capacity | the earphone(50mah),the charging case(500mah) |
Functional description
1、Long press the key 5 seconds to power on or power off
2、No connection status: double-click to pair the left and right devices.
3、The connection status: short press the key to play/pause, double-click the left one will switch to the pervious music, double-click the right one will switch to the next music, three-click to startup SIRI(start later, short press the key to stop SIRI)
4、hands-free call: short press the key to answer/hand-up calls, long press the key 2 seconds to reject the coming call.
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