Quick Start Guide
The B73 is a Bluetooth speaker designed to provide the high-definition sound
your digital life demands. Simply pair your handheld device with the B73 to
enjoy dynamic stereo sound.
What is in the box
- Bluetooth Speaker
- USB cable for charging
- User manual
■ Bluetooth Instruction(Note: The Bluetooth code is B73 , pair code: 0000)
1. Press and hold the power button for 3 seconds, hear prompt sound, the blue
and red LED flash alternately, it is in Bluetooth pairing mode.
( If there is no operation within 10 minutes, it will power off automatically.)
2. On your portable device, turn Bluetooth on, search for Bluetooth devices, and
select “B73”.
3. If you are promoted to enter a password to complete pairing, enter 0000.
4. The B73 will connect to your device and the blue LED flash slowly.
5. It is ready for use.
■ Charging the Battery
Before first use, please charge the Bluetooth speaker.
Plug the provided USB charging cable into the speaker and a powered USB port.
While charging, the LED light is red. Once fully charged, it will turn off.
Charging time: 1.5hours
Remark: 1. The Bluetooth speaker can be used during charging.
2.The LED flash red quickly when it is low battery.
■ Specifications:
Speaker: D40mm (130HZ-20KHZ)
Power output: 3W 4Ω
SNR: ≥85±3dB
Bluetooth version: 4.2
Bluetooth effective range: up to 10meters
Polymer battery: 400mAh
Charging voltage: DC5V