[bluetooth 5.0] Havit I91 TWS HiFi Wireless Earphone Bilateral Calls Auto Pairing Noise Cancelling Stereo Headphone with Charging Box

Features: 1. Wireless bluetooth headphones, deliver a high quality audio listening experience with clarity, and a smooth bass response for enjoyment of all styles of music. 2. Lightweight and great for sports, walking, running or a favorite activity. 3. bluetooth 5.0, energy saving, improved data transfer, and less interference. 4. Long Lasting Rechargeable Battery up to 3-6 hours of play back time and super long standby time. 5. Built in microphone allows these headphones to act as a headset for hands free calling with mobile devices. Specifications: General Specification Brand Havit Model I91 Color Black Wearing Type In-ear Net Weight (g) 52g Dimensions (cm/ inch) 62*53*35mm Technical Parameters Microphone Yes bluetooth Version V5.0 Transmission Distance 10m Audio Decoding SBC/ AAC bluetooth Protocol A2DP/ HFP/ AVRCP Impedance 16 Frequency Response 20-20kHz Battery Capacity Charging box: 470mAh, 3.7V Earphone: 50mAh, 3.7V Charging Time (h) 1-2h Working Time (h) Earphone: 3h With charging box: 30h Package Included: 1* [bluetooth 5.0] Havit I91 TWS HiFi Wireless Earphone 1* Micro USB Charing Box 2 pairs of eartips