specification/description
E821,bluetooth speaker
Material: Aluminum+ABS
Rated power: 3.0 W
frequency res:100 hz - 20 KHZ
signal to noise ratio: ≥85 db
distortion: ≤0.5%
voltage: 3.7-4.2 V
Battery capacity: 3.7 V / 450mAh
horn: 3 w / 4 Ω
-Heavy bass, stereo
features
1, Bluetooth V3.0
2, hands-free call, Human voice,echo processing
3, high quality audio processing A2DP V1.2
4, stereo output, the bass effect is good,
5, support the LINE IN function
6,support TF card