Shenzhen Wholesale Wireless Car Shaped Bluetooth Speaker,mini Speaker,speaker

Specifications 1.Wireless Bluetooth speaker,mini speaker,speaker 2.Output power: 3W 3.Excellent sound quality 4. For notebook,phone,mp3 Shenzhen Wholesale Wireless Car Shaped Bluetooth speaker,mini speaker,speaker       Frequency:160Hz-20KHzMetallic Design Output Power:3WPortable DesignNoise Ratio:≥90 dbWireless bluetooth audio transmissionCharging Voltage:5VMany classic colors for choiceWorking Voltage:3.7VLINE connectionSpeaker:4Ω 3WHands-freeTotal Harmonic Distortion(THD):≤0.1% 1KHz/1.8WSupport TF card and MP3 playSize:φ74mm*H45.5mmWith FM functionBluetooth Distance:10M  Products details1.Power supplier: lithium battery:3.7-4 .2 V DC:5V ,600MA Li-ion battery;2.Work current: <30mA (Bluetooth module) 3.Work current: <400mA (power amplifier, Bluetooth )  4.Standby current: <3mA 5.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 1.Scope: <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2) 2.Transmit power: Class2 less than 4dbm, low radiation. 3.Spread spectrum: Frequency Hopping Spread Spectrum 4.Bluetooth version: compatible with V2.1, V2.0, V1.1 and V1.2 standard. 5.Bluetooth protocol support: A2DP, AVRCP.