Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000, ISO 14001
OEM/ODM Service
Sample Available

Bluetooth Speaker, Speaker, Mini Speaker manufacturer / supplier in China, offering Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31), Newest Multi-Function OTG USB Drives (OM-M259), Metal Swivel OTG USB Flash Drive (OM-P260) and so on.

Gold Member Since 2014
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Supplier Homepage Products Bluetooth Speaker Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31)

Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31)

Get Latest Price
Min. Order / Reference FOB Price
100 Pieces US $4.63-4.69/ Piece
Port: Shenzhen, China
Production Capacity: 50000 PC/Years
Payment Terms: T/T, Western Union, Paypal, Money Gram
Type: Bluetooth Speaker
Amplification Type: Active
Speaker Material: PC+ABS
Usage: Portable Player, Mobile Phone, Computer, Stage/DJ, Home Theatre System, Radio, Karaoke
Sound Channel: 2.0
Special Function: Memory Card Support

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Basic Info

Model NO.: OM-S31
Chargeable: Chargeable
SNR: 81-90dB
Display Type: Without Display
Compatible Product: Universal
Model Number: S30
Special Feature: Mini, Portable, Wireless
Color: Green, Black, Yellow, Red and White
Power Supply: 5V±0.5V
Output: 3W
Battery Capacity: 4000mha
Weight: 213G
Frequency: 200-20000Hz
Size: 33*33*135mm
Battery Style: a Polymer Lithium Battery
Trademark: No
Transport Package: 1PC Mini Speaker/Giftbox
Specification: CE, RoHs, FCC etc
Origin: Shenzhen, Guangdong
-Appearances elegant, streamline design, comfortable handle, and light, easy to carry;
-Built-in 2500mAh high capacity rechargeable Li-Ion battery;
-Power and convenience are packed into a surprisingly small size;
-New and high quality Portable Power Bank and Bluetooth stereo speaker system;
-Saves you from the hassle of tangled wires -Free to keep it in your pocket or handbag when you go out;

- anywhere enjoy Wonderful music;
Disconnect the power bank from your charging source and take it anywhere!! To charge your device, simply use your usb cable (for your device) and connect to the power bank!! Supports Bluetooth A2DP- AVRCP- Handsfree and Headset profiles Allows you to stream music from Bluetooth-enabled devices such as cell phones- PDAs- MP3 players- PCs and laptops If not Bluetooth enabled- comes with 3.5mm jack connection also Compatiable with bluetooth phones- MP3/MP4/CD/PC/MAC/PSP-etc.

Product photos

Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31)
Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31)
Cylinder Bluetooth Speaker with External Battery Charger 4000mAh (OM-S31)


Audio Input: 3.5mm audio port

Power 3W

Frequency range :200-2000HZ

Impedance: 4Ω

Power Bank

Batteries: Lithium Battery

Charging time: 3 hours

Input: DC/5V/800mAH

Output: DC/5V/1000mAH

Power display: LED


Bluetooth: V3.0 + EDR

Voice prompts: English

Device Name: YM-AS

Passkey: 0000

Standby Power: <1mA

Operating Current: 80mA

Frequency :2.4-2 .48 GHZ

Signal-to-noise ratio:> 90dB

Working distance> 10m

Color: Black,White,Red,Green,Blue,Yellow

Our advantage

Fast making Sample Time:only need 3 days
High quality and perfect sound
100% Product inspected by QC,No defective product
Various color available for your option .
Gift back package.
Packing Accessory
bluetooth speaker
Standard gift box 
USB Cable

  Power supplier:  DC5V 
  Bluetooth version:  V3.0+EDR
  Output power:  2W(1KHz,THD10%)
  Frequency:  200-20000Hz
  Signal&noise ratio  ≥ 70dB
  Distortion:  ≤0.5%
  Impedance:  4 OHM(Ω)
  Battery V0ltage/Capacity:  5V±0.5V
  Polymer battery: 200mAh
  Speaker Unit:  Ø36mm
  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

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