Portable Waterproof Bluetooth Speaker & Phone Charger

Multifunction: Bluetooth player, USB charging, Answer/Hang up, AUX audio input Bluetooth Speaker: Bluetooth CSR4.0, compatible with all Bluetooth-enabled devices, it reconnects automatically to the last device used; within 33-foot bluetooth range and about 8 hours play time; no need to hand-connect Portable Charger: The speaker can also act as a portable charger due to the built-in with 5200mAh battery, max output current 4.75V-5.25V/1A,support cellphone,tablet and other devices Waterproof & Shockproof: IPX4 Waterproof, please don't drop the speaker into water,silicone protection, scratch-resistant and dust proof     Product Details:USB Output: 5V/1ATransmission Range: About 10mPower Interface: USB microPlay Mode: AUX-in, BluetoothMicrophone: 1pcAudio Format: WAV APE FLAC (Also support MP3, WMA)Play Duration: ≤8hBattery: 3.7V 5200mA/h (18650*2)Speaker Specification: 45mm 4O3WVibrating Diaphragm Size: 50*90mmPower Input: 5V/1AButtons: ON/OFF, Answer/Hang up, VOL+/PRE, VOL-/NEXT