Bluedio S3 Sport Bluetooth headset wireless headphones/earbuds Unique design music earphones Built in Mic/Connect with two phones Hands Free for Iphone Samsung Sony and Android/ios(white)

As your personal music device, lightweight is a must for a good headset.
1 gram is enough to be a heavy burden during exercise, compare to 15-20 grams weight of other headsets, S3 has created unprecedented breakthrough, customize only 11.5 grams for you.
Light as nothing on ear, but stay with you every moment.
6th generation CVC noise reduction has significantly improves receive path voice signal by sophisticated algorithm technology and altering the spectral shape of the receive path signal.
It also included AEC(Acoustic Echo Cancellation);NDVC improves the intelligibility of receive path signal by increasing the analogue DAC gain value.
PLC prevent packet loss and bit errors due to Wi-Fi interference or RF signal degradation due to distance or physical objects.
S3 is wireless and humanized for you.
Connect to 2 phones simultaneously.
Voice command say "Yes" or "No" decide whether to pick a call; Press MF button 2 seconds, then release, to activate voice assistant of mobile phone, e.g. Siri(Phone feature); last but not the end, press MF button and Vol(-) simultaneously to choose voice promts(Chinese/English).
Specification:
Bluetooth version: V4.1
Frequency range: 2.4GHz-2.48GHz
Bluetooth profiles: A2DP、AVRCP、HSP、HFP
Standby time: up to 180hrs
Talk/music playtime: about 5 hours
Charging time: about 2 hours
Frequency response: 20Hz-20kHz
Operational temperature: -10 to 50°C