Certifications CE ROHS Materials is ABS+PC Bluetooth Version is V5.1 JL6976D Wireless support agreement is A2DP,AVRCP,HFP,HSP Transmission distance is 10m-15m Battery capacity is 30mAh /300mAh Driver Element is �?10mm 32�© Speaker sensertivity is 104�±3dB Mic Sensertivity is -42dB�±3dB Playing time is 4-5 Hrs Standby time is 200h Charging time is 1H Recharging time is 4 times Color black red blue green and support customized Accessories have 1pc 30cm USB type C charging cable 1pc user manual.
