bluetooth chip:bluetrum5376A
bluetooth version:BT5.0
bluetooth distance:10meters
earphone battery:45ma
charging bin capacity:1200ma
piay time:4hours(depends on the volume)
taik time:4hours(depends on the volume)
charging time:1hour
standby time:about200hours
key function:keys or touch
sensitivity:42 db
distortion:±5%
speaker size:Ф6毫米mm
charging:micro USB
support agreement:HFP A2DP AVRCP AVDTP GAP SDP