Features: Bluetooth version: CSR 4.1 frequency range: 2.4-2.483ghz charging time: Less than 2 hours playing time: 5-7 hours net weight: 0.56oz battery: Li-polymer battery standby time: Up to 10 days charging voltage : USB 5v microphone: Back microphone 4015/-42db operating distance: 10 meters support: Voice prompts of incoming calls Bluetooth profiles: A2dp1.2, avrcp1.0, hfp1.6 waterproof rating: Ipx4 package includes: Mezvok stereo sports headphones eartips-3 pairs (small, medium, large) 3 feet dual port charging cable compatible with mini USB and apple lightening ports carrying case wire tie dual port car charger why should you choose the Mezvok Bluetooth headphones? - Super lightweight, zero burden for workout - noise isolating and premium audio quality - build-in high-sensitive microphones - voice prompt's - ipx4 waterproof/sweat proof protection - one year warranty - longer battery life, about 5-7 hours playing time - most devices connection available.
- Super lightweight: Net weight is about 0.56 oz., lighter than three coins.lleviate up to 35% burdens comparing with normal earphones
- Flexible in-ear design and soft smooth silicone gel ear buds isolate you from outside noises, CSR4.1 and CVC6.0 tech ensure high-fidelity stereo music
- High-sensitive microphone in the right earphone adopting cvc6.0 and DSP high technology, reduces noises and cancels echo
- With the benefit of imported csr4.1 Bluetooth chip, there are voice prompt notifications of incoming calls, phone numbers, remaining battery, etc.
- Super lightweight: Net weight is about 0.56 oz., lighter than three coins.lleviate up to 35% burdens comparing with normal earphones
- Flexible in-ear design and soft smooth silicone gel ear buds isolate you from outside noises, CSR4.1 and CVC6.0 tech ensure high-fidelity stereo music
- High-sensitive microphone in the right earphone adopting cvc6.0 and DSP high technology, reduces noises and cancels echo
- With the benefit of imported csr4.1 Bluetooth chip, there are voice prompt notifications of incoming calls, phone numbers, remaining battery, etc.