Sony-Sbh70-Waterproof-Sports-Bluetooth-Headset-with-NFC-Black

Features
Waterproof IP57
Bluetooth 3.0
NFC
Vibration function
Multipoint connectivity
HD Voice
aptX® audio enhancement

Battery capacity
Standby time: 650 hours (up to)
Talk time: 8.5 hours (up to)
Stream time: 6 hours
Battery: 125 mAh

Compatible
This Bluetooth headset works great with Bluetooth enabled smartphones, tablets, and computers

Controls
Power key
Answer/Call end
Play/Pause music key
Next/Previous track keys

Connectors
Micro USB charger connector

Supported Bluetooth profiles
Handsfree profile (HFP) v1.6 (HD ready)
Advanced Audio Distribution Profile (A2DP) v1.2
Audio Video Remote Control Profile (AVRCP) v1.3 - Control and Target role

Acoustic
Speaker type: 14 mm dynamic
Ear coupling: In-ear canal
Nominal Impedance: 16 Ohm
Frequency response: 35Hz ... 18000Hz, (diffuse field oriented mid-high range).
Max SPL: 100dBA (EN 50332-1)
Total harmonic distortion: <1% (200Hz .. 8000Hz @ 100dBSPL)
Microphone: ECM