Meo nhan tin mien phi qua bulethooth ma ko can phan mem. De tiet kiem tien nhan tin trong lop minh da tim ra cach nhan tin qua bulethooth vua ko ton kem ma lai nhanh(doi voi NOKIA ) no giup ban chat chit voi nhau trong pham vi 10m ma ko gioi han ky tu tha ho ma nhan(co the may khac cung dung duoc nhung minh moi thu tren NOKIA). Cach lam: B1:2 nguoi muon nhan tin cho nhau thi phai cung bat buletooth. B2: van phan viet ghi chu ua viet gi ma ban muon gui. B3: sau khi viet xong cac ban chon TUY CHON=>GUI=>QUA BULETOOTH va tim thiet bi va ghep noi. Lam di chu doc gi nua.hjhj.
