EBS-045 Rechargeable Bluetooth Speaker FM/TF Card/U-disk Wireless Calling Music Subwoofer with Color

EBS-045 Rechargeable Bluetooth Speaker FM/TF Card/U-disk Wireless Calling Music Subwoofer with Colorful Light - Black Support Bluetooth play/pause music, support music switching Support answering/hanging up calls, the last number redial, with call reminder function Built-in 1500mAh battery, long standby and use time Maximum volume voice prompt function With FM radio function, support U disk, TF card playback Diaphragm/speaker with colorful lights, cool and beautiful Suitable for smartphones/tablets/notebooks with Bluetooth function Specification: Bluetooth: JL V5.0+EDR Bluetooth protocol: a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\gatt\rfcomm\sdp\l2cap\SBC Material: ABS plastic + iron mesh Output power: MAX 2*5W Response frequency: 20Hz~20KHz Speaker unit: dual speakers, 5W*2, Φ52 internal magnetic impedance 4Ω Signal-to-noise ratio: ≥80dB Distortion: ≤3% Sensitivity: -88dBm ±2dBm Transmission power: support CLASS1/CLASS2/CLASS3 maximum adjustable 6dBm Input voltage: DC5V Audio Type: Dual Channel Charging current: IN DC 5V 500mA ±10mA (The red light of the speaker is on and the power indicator light is on when charging.) Working current: (Battery 3.7V 1KHZ 0dBm) Average value 1.5A±0.5A Shutdown current: (Battery 3.7V) average value ≤50uA Temperature range: -25? to +65? Speaker battery: 1500mAh battery with protection board (Micro 5PIN charging interface) Transmission distance: ≥10 meters (barrier-free) Talk time: about 6 hours 50% volume listening time: about 10-10.5 hours 100% volume listening time: about 2.5-3.0 hours Standby time: about 3000 hours Charging time: 3.0-3.5 hours to be fully charged