Best Outdoor Wireless Bluetooth Speaker With USB and Battery Power Supply

Brand Name: SHINETECH/OEM/ODM Model Number: ST-878 Type: Active Use: Portable Audio Player,Mobile Phone,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Function: Wireless Bluetooth speaker Bluetooth: Bluetooth audio transmission Bluetooth distance: 10M Connection: LINE Connection For Phone: Hands free function Support: TF card FM: FM Function Design: Portable, Metallic Color: Many classic colors available Bluetooth speaker: Bluetooth speaker Packaging & Delivery Packaging Detail: Color box, 50PCS/CTN. Delivery Detail: 5~10 days Specifications Best Outdoor Wireless Bluetooth speaker with USB and battery power supply 1.Bluetooth speaker 2.LINE 3.Hands free 4.TF card Best Outdoor Wireless Bluetooth speaker with USB and battery power supply:    Frequency:160Hz-20KHzBattery capacity:600mAh Output Power:2.0WRunning time:4~5 hours Noise Ratio:≥90 dbPortable Design Charging Voltage:5VAluminum housing Working Voltage:3.7VWireless bluetooth audio transmission Speaker:4Ω 3WMany classic colors for choice Total Harmonic Distortion(THD):≤0.1% 1KHz/1.8WLINE connection Size:φ60mm*H57mmHands-free Bluetooth Distance:10M  Products details of Best Outdoor Wireless Bluetooth speaker with USB and battery power supply:1.Power supplier: lithium battery:3.7-4 .2 V  DC:5V ,600MAH Li-ion battery                 2.Work current: <30mA (Bluetooth module)3.Work current: <400mA (power amplifier, Bluetooth )  4.Standby current: <3mA5.Frequency range :2.401-2 .480 GHz (2.4GHz ISM Segment)6.The receiver sensitivity: <-90dBm, BER <0.1%*SNR: 95dB                                    7.Distortion: <0.2%8.Frequency Response: 20HZ-20kHZ Feature of Best Outdoor Wireless Bluetooth speaker with USB and battery power supply:1.Scope: <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2)2.Transmit power: Class 2 less than 4dbm, low radiation.3.Spread spectrum: Frequency Hopping Spread Spectrum4.Bluetooth version: compatible with V2.1, V2.0, V1.1 and V1.2 standard.5.Bluetooth protocol support: A2DP, AVRCP.