Bluetooth Version: V4.2
Battery Type：Lythium
Battery Size：450mAh
Battery Standby Time：Approx 100 hours
Battery Talk/Music Time：Approx 10 hours
Battery Charge Time：Approx 4 hours
QDID Number： 91274

Speaker Size Φ: 40 mm                                                               

Frequency Response: 20-20K Hz                                           

Sensitivity: 99 ± 3 dB                                                           

Impedance: 32 Ohm                

Accessories：
USB - Micro USB Charging Cable（0.6M) 
3.5mm - 3.5mm headphone cable（1.2M DETACHABLE  without inline mic）

IMEXXS INTERNATIONAL ELECTRONIC TECHNOLOGY CO., LTD was established in 2012. Its located in Dongguan city, China. Our company are specialized in research, development and production of all kinds of headphones. The products include True wireless earbuds ,sports Bluetooth earphones, Bluetooth headphones, wireless gaming headphones, wired headphones, computer headphones, in-ear earphones ,Active noise cancelling headset ,Outdoor Bluetooth Speaker and Portable Bluetooth Speaker .
Our company owns modern production lines and high technic testing equipment. We have CE, RoHS, REACH certificates for these products. Meanwhile, we have passed ISO9001 and BSCI.