GUHOQ Portable Speaker

Bluetooth chip and version: JieLi V5.3+EDR
Bluetooth protocols: A2DPAVCTPAVDTPAVRCPHFPSPPSMPATTGAPGATTRFCOMMSDPL2CAPSBC
Material: ABS plastic + iron mesh
Output power: MAX 5W
Operating frequency: 2.4GHz-2.480GHz
Speaker unit: single speaker, 5W, Φ45 inner magnet, impedance 4Ω
Signal-to-noise ratio: ≥80dB
Distortion: ≤3%
Sensitivity: -88dBm ±2dBm
Transmission power: supports CLASS1/CLASS2/CLASS3, maximum adjustable 6dBm
Input voltage: DC5V
Audio type: stereo dual channel
Charging current: IN DC 5V 500mA ±10mA. When charging, the speaker red light is on, the power indicator stays on, and the red light goes off when fully charged.
Operating current: (BATTERY 3.7V 1KHZ 0dBm) average 1.5A±0.5A
Shutdown current: (BATTERY 3.7V) average ≤50uA
Temperature range: -25℃ to +65℃
Speaker battery: 1000mAH, polymer battery with protection board (TYPE-C charging interface)
Transmission distance: ≥10 meters (unobstructed)
Call time: about 6~7 hours, 50% volume music playing time: about 5~5.5 hours, 100% volume music playing time: about 3.0~3.5 hours, standby time: about 2400 hours
Charging time: about 2.5~3.0 hours to fully charge.