Work voltage: DC 3.7V; Charging voltage: DC 5V; Speaker diameter: 40mm; Built-in microphone; With Volume control, play / pause button, TF slot and micro USB port; Super bass bluetooth headphone, HD sound quality, low sensitivity resistance; Comfortable ear cover; Anti-break plastic shell.<br><br><br>General<br>Brand OVLENG<br>Model MX333<br>Material ABS<br>Form Color Black + Yellow<br>Quantity 1Set<br>Connections<br>Connection Bluetooth<br>Bluetooth Version Bluetooth v4.1<br>Operating Range 10m<br><br>Specification<br>Headphone Style Headband<br>Waterproof Level IPX0 (Not Protected)<br>Applicable Products Universal , IPHONE 7 , IPHONE 7 PLUS<br>Headphone Features For Sports &amp; Exercise , Noise-Canceling , Lightweight , Portable<br>Radio Tuner Yes<br>Support Memory Card No<br>Audio Properties<br>Support Apt-X No<br>Channels 2.1<br>Frequency Response 20~20KHz<br>Impedance 32ohm<br>Power<br>Built-in Battery Capacity 200mAh<br>Standby Time 72Hour<br>Talk Time 8~10Hour<br>Music Play Time 4~6Hour<br>Power Adapter USB<br>Dimensions &amp; Weight<br>Dimensions 7.09 in x 6.3 in x 2.95 in (18 cm x 16 cm x 7.5 cm)<br>Weight 5.29 oz (150 g)<br><br>Packing List<br>1 * Headphone<br>1 * Micro USB charging cable<br>1 * Compass<br>1 * Chinese / English user manual<br><br>*NOTE: Jika warna yang diinginkan tidak tersedia, maka akan dikirimkan warna lain sesuai persediaan