Portable Wireless Speaker Ulvench Bluetooth V4.2 20W Stereo Speaker with Enhanced Bass and HiFi Sound Dual-Driver 10 Hours Playtime with Built-in Mic AUX/SD Input for Home Party Car and Gift Black

?SPECIFICATIONS: Bluetooth version: Bluetooth 4.2 Technology Driver spec: ?45mm 4?/10W? Size: 7.9*2.4*3.2 inch Net weight: 535g +/-10g Distortion: ?0.3% 1W Working distance: about 33 feet/ 10M Bluetooth profiles: A2DP, AVRCP,HFP Battery capacity: 3600 mAh Working current: ?700 mA Working voltage: 3.3 - 4.2V Charging current: ?800mA Charging voltage:DC 5V Charging time: 4-5H Playtime at full volume: about 4 hours Playtime at 60% volume: about 9-10 hours ?HOW TO CONNECT: 1. Long press the power on/off button and it will be in Bluetooth mode the Blue indicator flashes 2. Connect to your device Setting > Bluetooth > Choose device > H4 PLUS Connected successfully > Status indicator steady on ?FUNTIONS: 1. Short press the mode switch button, you can switch among Bluetooth / Mirco SD / Aux in mode. 2. If the device is crashed, please long press the POWER ON button at least 10 seconds to reset. 3. Answer / Reject call button, short press for answering, long press reject. 4. Support Mirco SD max 32GB. 5. Mirco SD Card support format: MP3, WMA, WAV, FLAC, APE. ?WARRANTY POLICE: 1. Your Bluetooth speaker is covered by 12 months performance warranty against any manufacture defects in material or workmanship from the date of original purchase. 2. The warranty does not cover the damage caused by misuse, abuse or improper storage. 3. In no event shall be responsible for any direct, incidental, consequential or other damages of any kind. Buy with confidence! 12-Month Warranty Ship next business day 24 x 7 Email Support