1.Standards: bluetooth specification v2.0/v2.1+edr
2.Radio frequency range: 2402-2480mh
3.Transmission power:bluetooth power class 2
4.Receiver sensitity:-80dbm(per 1%)
5.Distance:10m in open space
6.Battery life: standby time up to 110h
Talk time:up to 5h
Charging time:lower 3h
7.Button/switch:multi-function button, volume up/down
8.Weight:5g
10.Operation temp&hunidity temperature:-10-50c, humidity 095%
11.Certification:bqb, ce, fcc, rohs, msds of battery
Bluetooth headset device, charger, ear hook, ear line, english user manual.Packing terms:paper box, crystal box, iron box or flexible.
