Caldecott BTKDK05 Magnetic Adsorption Voice Prompt Neckband bluetooth Earphone

Features: 1. Neckband bluetooth earphone, made of high elastic silicone, more comfotable wearing, would not make any burden on you. 2. Magnetic adsorption, the right and left side could be attached to each other by magnetic force, no need to worry about the cable twine. 3. Selected 10mm driver unit, it could restore the pure music and produce more dynamic sound, creating an immersive musical experience. 4. Intelligent voice prompt, this earphone could indicate you the real time state, such as, pairing, Bluettooth connected, power on/off, etc. 5. bluetooth 4.1 version, wide compatibility, it coud build more faster and stable connection. Specifications: General Specification Brand Caldecott Model BTKD05 Color Black, Grey Wearing Type In-ear Net Weight (g) About 22g Technical Parameters Microphone Yes bluetooth Version V4.1 Transmission Distance 10m Receive Sensitivity 113dB Impedance 16 Frequency Response 20-20kHz Battery Capacity 100mAh, 3.7V Charging Time (h) 1h Working Time (h) 7h Standby Time (h) 380h Package Included: 1* Caldecott BTKD05 bluetooth Earphone 1* Charging Cable 1* Munual 3* pairs of earbuds