•Advanced Bluetooth5.3 Connectivity: With Bluetooth 5.3 technology, these workout Headphones Bluetooth offer more stable transmission speed, lower latency and better audio output. The Headphones can give you wonderful music enjoyment •Up to 40 Hours Playtime: With Powerful battery reserve supply, the impressive battery life of up to 40 hours, you can enjoy uninterrupted music throughout the day •30 meter stable connection without lag: the contact range can reach up to 30 meters, eliminating the need for wired connections and multiple ways of gaming and calling •Soft large ear cushions memory sponge: Memory sponge large ear cushions can adapt to the curve of the auricle, not afraid of sound leakage, wearing them for a long time will not feel tired, suitable for listening to music and watching movies for a long time •Button operation, convenient design: Simple button operation design, can be easily controlled Specification: •Bluetooth version: V5.3 •Bluetooth data stream: HSP, HFP, AVRCP, A2DP, SBC, AAC •New chip: JELI AC7006F •Charging time: about 2 hours •Music playback time: about 40 hours of long battery life (depending on the volume of the song) •Talk time: approximately 40+hours (depending on volume) •Sound quality: Dual differential circuit design, high fidelity heavy bass •Effective and stable connection distance: about 30 meters •Supports 3.5mm audio input jack •Support external TF memory card playback •Support low latency game mode •Durable, rotatable, metal telescopic pull tab structure •Battery specification: 3.7V/400mAh with overcharge and over-discharge protection •Input voltage/current: 5V/1A •Speaker: diameter 40MM, 32 Ω •Output power: 22MW •Microphone: Sensitivity -42dB ± 2 •Charging port: Type-C Package included: •1 x Headphone •1 x Audio Cable •1 x Charging Cable •1 x English User Manual