REMAX M31 Wireless Speaker Retro Bluetooth Speaker HiFi Sound 3D Music Outdoor Radio - Black

• High quality sound, 10m transmission distance 

• Bluetooth 4.2 wireless connection, stable transmission 

• 5W 52mm speaker, with two large knobs

• Support TF card, plug and play 

• Built-in 1800mAh large battery, 6h music playing time 

• 130Hz-18KHz frequency range

• Function: support Bluetooth, call, TF card, FM radio 

Specification:

• Name: Retro Bluetooth speaker

• Model: RB-M31

• Bluetooth: V4.2

• Bluetooth transmission distance: 10m

• Impedance: 4ohm

• Frequency range: 130Hz-18KHz

• Speaker: 52mm

• Output power: 5W 

• Sensitivity: 78+-3dB

• Product size: L143±1mm*W71.5 ±1mm*H93.5±1mm

• Rated power: 5W"1 THD+N <=10%6 (1KHz/0dB)

• Charging voltage: 5V/0.5A 

• Product size: 160*79*79mm 

• Standby time: 36h 

• Product weight: 395g 

• Playback time: about 6H (70% volume) 

• Function: support Bluetooth, call, TF card, FM radio 

• Signal to noise ratio: 270dB

Compatible with:

• iPhone, Samsung, Huawei, etc. Bluetooth-enabled devices