Operation Manual

BOOMBOOM 540
9
ENGLISH
TECHNICAL DATA
General
Bluetooth Frequency 2.402-2.480GHz
Bluetooth version V2.1+EDR
Supported Bluetooth profiles A2DP, AVRCP, HSP, HFP
Supported Codec SBC (subband codec)
Support multiple pair up to 8 devices
Range Up to 10 metres open field
Battery Li-ion 3.7 V
- Battery Capacity 600mAh
- Battery Charging Voltage 5V
- Charger Time 3-4 hours max
- Battery Life 8-10 hours
Operation on headphones and audio source
Phone functions answer call, end call
Audio functions Volume+, Volume-, Next song,
previous song, power
Headband fully adjustable and foldable
Weight 135 grams
Operation temperature -10°C ~ +55°C
Storage temperature -20°C ~ +60°C
Microphone
Microphone unit 4 x 1.5 mm
Sensitivity -52+/-3dB
Directional sensitivity omni-directional
Impedance ≤ 2.2 kOhm
Frequency response 30Hz-16,000Hz
Drivers
Driver diameter 40 mm
Impedance 32 Ohm
Sensitivity 114±3dB S.P.L. at 1 KHz
Output power (RMS) 20mW
Output power (PMPO) 50mW
Signal To Noise Ratio ≥ 82dB
Frequency response 20Hz-20,000Hz
Specifications may be modified without prior notice.