Shenzhen chengtai electronic and technology co.,LTD
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TG905
Category：
Bluetooth Earphone
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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 120 hours |
| Playing time | about 4-5 hours |
| Talking time | about 4 hours |
| Charging base(full) provide power to Earphone | 4 times |
| SNR | >95db |
| Size | 57.5*48*28mm |
| Weight | about 42g |
| Battery capacity | Earbuds【50mAh】，Charging case【500mAh】 |
Functional description
1、Earbuds will turn on automatically when pick it out from the charging case
2、Earbuds will connect with another one when pick it out from the charging case
3、Power off and start charging when put the BT earphone back to the case
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