Brand: Remax Model: TWS-33 Name: True wireless stereo music headset Bluetooth version: V5.0 Color: black, red, green, blue Support agreement: A2DP HFP HSP AVRCP Bluetooth distance: 10M Working voltage: 3.7V Speaker impedance: 32Ω Speaker power: 3mW Battery specification (capacity): Earphone: 35mA (Charging Box): 300mA Charging time: Earphone about: 1H Charging Box about: 1.5H Talk time: about4H Music playing time: about 3.5H Standby time: about 45H Material: STEEl+ABS Finished product size (mm): 95*150*40mm Is there a design patent: yes Product package details: bare metal + packaging + wiring + manual + certificate Product selling points: 1. Wireless 5.0, take out automatic pairing, faster connection and more stable transmission 2. The zinc alloy charging box is more textured, and the earphone design of the film transfer process is radiant 3. Touch sensitively to control music, etc., free your hands and make it easier to talk 4. Ultra-low power consumption, about 3.5 hours of music playback 5. In-ear ergonomic design, comfortable to wear 6. Clear high frequency, strong low frequency, soft and delicate sound quality