1, in line with Bluetooth V2.1 + EDR
2, with speakerphone, echo processing
3, high-quality audio processing A2DP V1.2
4, stereo output, built-in bass cone, bass good five, six more than 10M transmission distance, support LINE IN function 7, 8 built-in high-capacity battery, support TF card music playback multimedia speakers (can connect MP3, MP4, PC, laptops, cell phones, etc.) Power Supply: rechargeable via USB


Rated power: 4R * 3W Frequency Response: 100HZ-- 20KHZ SNR: ≥90db Distortion: ≤0.5% Operating voltage: 3.7- 4.2V Battery capacity: 3.7V / 330MA Speaker: 3W / 4Ω Power: Rechargeable lithium can be recycled battery size: 55 * 60 packing size: 330 * 330 * 180

Small box size:65*65*85 MM 50pcs/carton
Net weight:12KG
Gross weight:12.5KG
Carton size:34*19*34CM