Bluetooth profile: Bluetooth V4.0+EDR Power Bank
RF distance:10M
Frequency:80HZ-20KHZ
SNR:≥85db
Distortion:≤0.5%
Working voltage/current:3.3∽4.2V
Charging voltage/current:USB 5V
Battery capacity: 4000mAh
Playback time:About 10 Hours
Rated power:5W *2
Product size:58*58*60mm
Material:ABS
Factory Certifications: ISO9001、Sedex、SGS
Product Certifications: CE、RED、 Rohs、BQB、FCC、CP65、Telec
Gift box:21*8*7.5cm
Qty/CTN: 25PCS/CTN
G.W:16.8KG
N.W.:15.9KG
CTN Size:42*22*39
Product Weight:430g , With package:640g
Product size: 67*67*170mm