TW13 Bluetooth Headset $ 13.66 Product model: TW13 Bluetooth headset Bluetooth version: Jerry V5.0 Transmission distance: barrier-free distance 10-18 meters Product speaker: high-quality true copper ring speaker Product chip: true stereo chip Working time: 3-4 hours Charging warehouse standby time: 60 days + Headphone battery capacity: pure cobalt 40 mA Charging compartment battery capacity: pure cobalt 300 mAh (with IC protection board)
