Product specifiction:
Bluetooth version: 2.1 CLASS 2
Frequency range:2.4GHz-2.48GHz
Profile supported:A2DP and AVRCP
Operation range:10m
Talking time:10hour
Music playing time:300hour
Stang-by time:300hour
Working voiltage:3.3V-3.7V
Driver diameter:40mm
Input connector:3.5mm
Mic dimension:4mm
Frenquency response 20-20KHz

Product Features:
Brand new & high quality
Crisp audio wirelessly from any bluetooth-enabled device
Built-in rechargeable battery
Built-in microphone allows for hands-free phone answering
Bluetooth: V2.1 + EDR
Wireless range up to 10 meter

1.We can arrange fast shipping if you need;

2.We always test products before shipping;

3.One year warranty,good after-sale service;

4.Various payment: Paypal,Western Union,TT,Money gram;

5.Our company has the trade assurance . 

Our company focuses on mini hidden cameras(clock camera,watch camera,glasses camera), cctv 

security cameras, GPS trackers and sport cameras .We have professional presale ,excellent sale team and 

good after-sale team.