This is a Monster Strike Gabriel-themed bed headphones. Includes a bonus blanket. The box has been opened for inspection, but the headphones are unused. The blanket will be folded and included in the box. SE-MS7BT Bluetooth connection possible ＜Product Specifications＞ ■Size: Headphones: W17 x H19 x D9 cm Blanket: W90 x H60 cm ■Materials: Headphones: Aluminum, leather, rechargeable lithium-ion battery Blanket: 100% polyester ■Size (Package): W25 x H23 x D19 cm ■Accessories: ・Micro USB cable ・Headphone cord ・Quick start guide ・Safety guide ・(Bonus) Blanket ＜Detailed Specifications＞ ・Communication method: Bluetooth standard Ver. 3.0 ・Output: Bluetooth standard Power Class 2 ・Maximum communication distance: Approximately 10 m*2 (line of sight) ・Supported Bluetooth profiles: A2DP, AVRCP, HFP, HSP ・Supported CODEC: SBC, AAC, Qualcomm® aptXTM audio ・Battery life: Up to 12 hours of continuous communication (including music playback time) ・Charging time: Approximately 4 hours ・Weight: 290g ・Ear pads: Polyurethane (leather type) ・Accessories: Micro USB cable, headphone cord 1.2 m Please understand that this item has been stored at home before purchasing. There may be some scratches on the box, so please refrain from purchasing if you are concerned about this.