Gearwell K7 Wireless Headphone

Item Type: Bone Conduction HeadphonesMaterial: ABS + Silicone Model: K7 Bluetooth: 5.0 Support Audio Formats: MP3, WMA, WAV, FLAC Memory Capacity: 16GB Transmission Range: Approx.10m / 3ft Waterproof Rating: IPX8 Microphone Sensitivity: -37dB Speaker Impedance: 32 ohms Speaker Power: 0.6~0.8W X2 Charging Time: 2 hours (Recharge once a month when idle) Battery Capacity: 350mAh Lithium Battery (shipped with battery) Playing Time: 6-8 hours Package List： 1 x Bone Conduction Headphones1 x Charging Cable 1 x Manual Note: 1. Bluetooth cannot be used underwater, please switch to MP3 mode before swimming.2. After charging, please install the waterproof plug on the charging port before using it to get the best waterproof ability. Bluetooth cannot be used underwater, please switch to MP3 mode before swimming. When inserting the charging cable, please make sure that there is no water in the charging hole.