Bluetooth version 5.2 Speaker Unit8mm BM Balanced armature driver
Earbuds Shape: Ergonomic in-ear design Frequency Range20-20000Hz Audio DecodingQualcomm apyX/aac/sbc ImpedanceWoofer 16+Tweeter 4 Sensitivity993db@1kHz/1mW Intelligent Noise ReductionNew Qualcomm CVC 8.1 version, provide a HD call Latency Time45ms low latency Charging interfaceType-C
Power input: DC 5V Battery capacity 3.7V /40mAh (Earbuds) Battery capacity 3.7V /400mAh (Charging case)
Charging time: about 60 minutes