| Model NO. | OM-S31 |
| Amplification Type | Active |
| Usage | Portable Player, Mobile Phone, Computer, Stage/DJ, Home Theatre System, Radio, Karaoke |
| Special Function | Memory Card Support |
| SNR | 81-90dB |
| Compatible Product | Universal |
| Special Feature | Mini, Portable, Wireless |
| Power Supply | 5V±0.5Vusmn;0.5Vsmn;0.5V |
| Battery Capacity | 4000mha |
| Frequency | 200-20000Hz |
| Battery Style | a Polymer Lithium Battery |
| Specification | CE, RoHs, FCC etc |
| Type | Bluetooth Speaker |
| Speaker Material | PC+ABS |
| Sound Channel | 2.0 |
| Chargeable | Chargeable |
| Display Type | Without Display |
| Model Number | S30 |
| Color | Green, Black, Yellow, Red and White |
| Output | 3W |
| Weight | 213G |
| Size | 33*33*135mm |
| Trademark | No |
| Origin | Shenzhen, Guangdong |



Audio Input: 3.5mm audio port
Power 3W
Frequency range :200-2000HZ
Impedance: 4ΩΩOmega;Ω
Power Bank
Charging time: 3 hours
Input: DC/5V/800mAH
Output: DC/5V/1000mAH
Power display: LED
Bluetooth
Bluetooth: V3.0 + EDR
Voice prompts: English
Device Name: YM-AS
Passkey: 0000
Standby Power: <1mA;1mA
Operating Current: 80mA
Frequency :2.4-2 .48 GHZ
Signal-to-noise ratio:﹥ 90dB90dB
Working distance﹥ 10m 10m
Color: Black,White,Red,Green,Blue,Yellow
| Power supplier: | DC5V |
| Bluetooth version: | V3.0+EDR |
| Output power: | 2W(1KHz,THD10%) |
| Frequency: | 200-20000Hz |
| Signal&noise ratio ratioratio | ≥ 70dB 70dB70dB |
| Distortion: | ≤0.5%;0.5%0.5% |
| Impedance: | 4 OHM(Ω)Ω)ega;)Ω) |
| Battery V0ltage/Capacity: | 5V±0.5Vusmn;0.5Vsmn;0.5V |
| Polymer battery: | 200mAh |
| Speaker Unit: | Ø36mmlash;36mmash;36mm |
| Case Material: | PC+ABS |
| Dimensions: | 33*33*135mm |
| Working Range: | Up to 10 m |
| Talkback function: | MIC |
| Weight: | 213g |
| Color: | Black,White,Red,Green,Blue,Yellow |