User's Manual
6. Technical Speciļ¬cation
Type Bluetooth headphones
Model no. GHP04BT
Frequency 2.402 GHz ~ 2.480 GHz ISM Band
Class CLASS 2
Channel 79 channels 1Mhz BW
Connection P2P
Range Up to 10 metres
Audio frequency response 20 Hz - 20 kHz
Standby time Up to 250 hours (fully charged)
Signal-to-Noise ratio 80 dB
Indicator Red & blue dual color LED
Bluetooth version V2.1+EDR
Devices supported
PC, USB Bluetooth dongle, cell phone, mobile
internet devices (iPad, etc.) that support HFP,
HSP, A2DP, AVRCP Bluetooth
Battery Lithiam-ion Polymer Battery 3.7 V 250 mAh
Audio output power (max.) 2 x 10 mW
Operating time on battery 8 hours (fully charged)
7. Customer Support
Our customer service team is available for technical or
guarantee support. Visit www.goodmans.co.uk/support








