GOLON RX-BT45LS Am Fm Radio Kit Receiver With Usb Small Wireless Speaker Blue Tooth Portable Bt Radio

Track system:  StereoDual Sound Track
Battery capacity: 2200mAh
Driver units: 43+6Ω8W*2pcs+4Ω15w*1pcs
Impedance: 6Ω,4Ω
Rated power: 31w
Driver power: 8W*2/15w*1
Color: Black
Charging time: 4h
Talk time: 12h
Music play time: 12h
Bluetooth Protocol: A2DP / AVRCP / HFP / HSP
Frequency range:100Hz-20KHz
Input voltage: DC5V-500mA
Bluetooth frequency: 2.4GHz-2.480GHz
Optimal talking distance: 〈1M
Transmission Distance:  10Mbarrier-free space)
voice prompt:   Yes
multipoint connection:   Yes
Instruction:  Chinese & English

• Cable length: 1.2m
• Plug Type: 3.5mm
• Colors: Black
• Driver unit: 13mm
• Impedance:16Ω
• Sensitivity:90dB±3dB
• Drive-By-Wire: Yes
• Frequency Response Range:20-20000HZ
• Track system: Stereo
• Product weight: 22g
• Wearing Style: In-Ear
• Materials: CNC Metal+ABS+TPE+Silica Gel

Brand: Awei
Model: Y333
Bluetooth-compatible chip: Zhongke Lanxun
Bluetooth-compatible version: 5.0
Bluetooth-compatible frequency: 2.4GHz
Battery capacity: 1800mA/3.7V
Bluetooth-compatible transmission distance:> 10m
Bluetooth-compatible transmitting frequency: Class 2 (2.5mW)
Bluetooth-compatible antenna: built-in
Bluetooth-compatible protocol: A2DP/AVRCP/HFP/HSP
Rated power: 5W*2
Distortion degree: THD＜1%
Frequency response range: 60Hz~16kHz
Signal to noise ratio: ≥90
FM frequency bandwidth range: N
FM antenna: N
Battery life: >3.5H (100% volume)
Charging time: <3H
Working voltage: DC 3.3V-4.2V
Charging voltage: DC 5V±0.2V
Charging current: ≥1A
Charging interface: Micro_USB
Product size: 460mm*78mm*74.5mm(L*W*H)
Product weight: 980g

Brand Name : Awei

Communication : bluetooth

Speaker Type : Portable

Power Source : Battery

Channels : 2 (2.0)

Output Power : 3W

Bluetooth Version : 5.0

Playback Function : Other

Total Harmonic Distortion : 1%

Built-in Microphone : Yes

PMPO : 3W

Frequency Range : 20Hz-20KHz