Silvercrest STSK 2 D4 Instrucciones De Utilización Y De Seguridad página 75

Headphones
Wireless standard Bluetooth
Supported profile
Frequency band
Max . transmitted
power
Range
Rechargeable
battery
Charging time
Operating time
(music & phone)
Protection class:
Headphones
Charging box
Operating
temperature
Humidity
(no condensation)
76 GB/IE
®
A2DP, AVRCP, HSP, HFP
2402 to 2480 MHz
< 20 mW
approx . 10 m
Li-ion polymer, 3 .7 V,
40 mAh, 0 .15 Wh
approx . 1 .5 hours
(complete charging cycle)
approx . 3 hours
(at medium volume)
IPX4
IPX0
+10 to +35 °C
10 to 70 % relative
humidity
5 .0