6.46$
Model Number: D-819
* Bluetooth Version: V5.3
* bluetooth chip：JL
* Support profiles: HSP,HFP,AVRCP,A2DP
* BT frequency: 2.402 GHz – 2.480GHz
* Sound Mode: Real bass Stereo
* Music time: About 15+ hours
* Talk time: About 15+hours
* Charging time: About 2 hours
* Operating Distance: about 30 meters
* Power Source: Li-ion Battery 400mAh
* With FM radio: 87.5-108.0MHz
* TF card input: Support 256M-32G
* Aux line in: 3.5mm socket
* Output: 22mW*2
* SNR: ≥95dB
* Speaker Impedance: 32 ohms/40mm
* Microphone: -42dB±3
* Foldaway design
* Type-C charging port
* Colors: black,Gray,Red
* Accessory : USB line,aux cable,User manual
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