[Truly Wireless] Bakeey I7 Stereo bluetooth Earphone Headphone With 2000mAh Charger Box Power Bank

Features: 1. Advanced bluetooth technology, truly wireless earphone, enjoy music freely without the shackle of cable. 2. Comes with an integrated storage charger box, 2000mAh large capacity, totally satisfying your need in daily life. 3. The charger box could be a emergency power supply for your phone, so that you would not lose contact with your friend. 4. Adopted high performance Ti diaphragm, better sensitivity, produces more dynamic bass and strong treble. 5. With DSP noise cancelling, reduce the environmental noise effectively, clear 360 stereo sound effect. 6. Simple operation, you could answer or hang up the call, control playback, or switch song by multifunctional button. Specifications: General Specification Brand Bakeey Model I7 Color Black, Whire, Red, Blue Wearing Type In-ear Technical Parameters Microphone Yes bluetooth Version V4.1 Transmission Distance 10m Impedance 16 Frequency Response 20-20000Hz Battery Capacity Charger: 2000mAh, 3.7V Earphone: 50mAh Charging Time (h) Approx. 30 mins Taking Time 2-2.5 hours Working Time (h) 2-2.5 hours Standby Time (h) 80 hours Package Included: 1* Bakeey I7 bluetooth Earphone 1* Charging Cable 1* USB to Micro USB Connector 3* Pairs of earmuffs 1* Manual