Havit I11 Mini Single Wireless bluetooth Earphone DSP CVC6.0 Dual Noise Cancelling Earbuds with Mic

Features: 1.Very small and very light, In-ear comfortable, not easy to fall 2.Take the initiative to reduce noise and improve the call quality 3.Chinese voice prompt 4.2 hours to recharge, up to 28 hours talk time and about 40 days of standby time 5.The multipoint technology of the bluetooth headset allows you to pair 2 devices at the same time Specifications: General Specification Brand Havit Model I11 Color Black, Whire, Blue Wearing Type In-ear Material PC Technical Parameters Microphone Yes Wired Control Not support bluetooth Version V4.1 Transmission Distance 10m Receive Sensitivity 121dB Impedance 16 Frequency Response 20-20kHz Battery Capacity 250mAh, 3.7V Charging Time (h) 2h Working Time (h) 13h Standby Time (h) 230h Package Included: 1* Havit I11 Mini Single Wireless bluetooth Earphone 1* USB Charging Cable 2 pairs of eartips