Specification: 
Bluetooth v 4.1
Protocol: A2DP， AVRCP， HSP， HFP
Play time: approx. 5 hours
Stanby time: 180 hours
Frequency range: 2.4GHz-2.48GHz
Charging time: approx. 2 hours
Length of cable: 580mm
Connection range: up to 10 meters

 

Accessories: 
1 x N2 bluetooth earphone
1 x USB cable
1 x User manual

3 (pair) x ear buds (the pair of medium size is already fixed on N2)