VJ901 Foldable TWS True Wireless Bluetooth Headset 1. 5.0 Bluetooth, faster and more stable transmission speed, stronger signal, truly realize ultra-low-latency audio and video synchronization. 2. 40MM driver provides stereo bass surround sound. 3. Noise-canceling high-definition microphone for clearly communicating with your partner. 4. The earmuffs are comfortable in size and can be worn for a long time. 5. Special material, anti-violence design, can be twisted and deformed arbitrarily, and has passed strict 6000+ anti-folding and tensile damage tests. 6. It adopts a large-capacity rechargeable lithium battery, which can be used for 2 hours after charging for 10 minutes. 7. Specifications: - Bluetooth version: V5.3 - Bluetooth range: 10-15M - Frequency range: 20Hz-22KHz - Horn size: 40mm - Battery capacity: 400 mah - Talk time: 10H - Playing time: 8H - Charging time: 2H - Standby time: 200H