Bluetooth Version: Bluetooth 4.0
Support profile: A2DP1.2/AVRCP1.4/HSP1.2/HFP1.6
DSP:CVC6.0 Dual Microphone Noise and Echo reduction
Speaker Frequency Response: 300HZ – 40,00 HZ
Driver Type: Dynamic
Speaker diameter: 10 mm
Speaker impedance: 32 ohm
Battery type: Li-ion polymer battery 50mAH
Battery lifetime: Remain 80% capacity after 300 cycles
Music playback time:3.5 hours
Talking time:5hours
Standby time:7days
Charging time:2 hours
Charge port: Micro USB Type B
Wireless Range:10m( Free space)
Build-in Microphone: Yes
Microphone Sensitivity: -42 dB
Headphone Type: Full Size
Weight: 7g
Package content: Headset x1, charge cable x1, User manual, ear hook x1, ear bud x 3(S/M/L),Gift box
Manufacturer Warranty: 1 Year