【Long Battery Life】 Enjoy up to 160 hours of music playback and 120 hours of talk time with the large 1200mAh battery capacity. 【LED Display】 Easily monitor battery level and volume through the convenient LED visual window. 【Ergonomic Design】 Skin-friendly silicone combined with a 120° ergonomic design ensures comfort and prevents slipping or skin irritation. 【Low Latency Gaming Mode】 Experience synchronized audio and visuals with the ultra-low latency gaming mode. 【Enhanced Bass Mode】 Immerse yourself in cinema-quality audio with the bass boost feature for a powerful listening experience. Specifications: Bluetooth-compatible Version: 5.4 Chip: JL7006F42 Battery Capacity: 1200mAh Charging Time: 4 hours Playback Time: Up to 160 hours (music), 120 hours (calls) Features: TF card support, Bluetooth-compatible connectivity Materials: TPE, ABS, Aluminum alloy Cable Length: 87cm Weight: 86g Water Resistance: IPX4 Package included 1 x Neckband Headphones 1 x English and Chinese User Manual Specifications Brand ACEFAST Color As Shown Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.112kg Volume Weight 0.100kg Package Length 14.000cm Package Width 8.000cm Package Height 4.000cm