• Ultra-Long Battery Life: Comes with a 320mAh charging case, supports 120h long standby time, 6h continuous playing time
• Polymer Composite Diaphragm Dynamic Speaker: Enjoy instrument sound details & HiFi super bass quality
• BT 5.1 Dual-Core Chip, Open Case & Pair Automatically: Instant connection & stable transmission with minimized latency
• Dual Charging Methods: Supports Wired/Wireless Charging. The Wireless charging is compatible with MagSafe charging)
• Wide Usage: Suitable for studying in the library, running in the park, cycling on the road, listening in the home

Specifications:

• Model: JR-T03S Plus
• Bluetooth version: V5.1
• Protocol support: HSP/HFP/A2DP/AVRCP
• Audio decoding: AAC/SBC
• Communication range: ≤15m (standard environment)
• Frequency response: 20Hz-20KHz 
• Driver unit: φ13mm
• Impedance: 32Ω
• Power: 3mW
• Battery capacity of charging case: 320mAh 
• Headphone battery capacity: 30mAh 
• Music time: about 6 hours (volume 70%) 
• Talk time: about 5 hours
• Connected standby time: about 48 hours 
• Charging time for headphones: about 1.5 hours
• Charging time by charging case: about 2 hours
• Wireless charging time: about 3 hours
• Available for headset charging: 4 times
• Charging input: DC 5V/1A
• Charging case size: 44 x 22 x 53.8mm 
• Product weight: 48g±2g